201956420

素因数分解:

$2^2\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{4241}}^1$

素因数の和:6631

約数の個数: 24

約数和(自身を含む): 424386648

約数和(自身を除く): 222430228

約数列:

[1, 2, 4, 5, 10, 20, 2381, 4241, 4762, 8482, 9524, 11905, 16964, 21205, 23810, 42410, 47620, 84820, 10097821, 20195642, 40391284, 50489105, 100978210, 201956420]

約数ペア:

[(1, 201956420), (2, 100978210), (4, 50489105), (5, 40391284), (10, 20195642), (20, 10097821), (2381, 84820), (4241, 47620), (4762, 42410), (8482, 23810), (9524, 21205), (11905, 16964)]