divisor
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Background Given a natural number n, find the summation of all its proper divisors. Definition: A proper divisor of a natural number is the divisor that is strictly less than the number. e.g. number 20 has 5 proper divisors: 1, 2, 4, 5, 10, and the divisor summation is: 1 + 2 + 4 + 5 + 10 = 22. Input: An integer stating the number of test cases T and that many lines follow, each containing nat
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solution.cppC++17
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