20165085740

素因数分解:

$2^2\times 5^1\times {\mathrm{56941}}^1\times {\mathrm{17707}}^1$

素因数の和:74657

約数の個数: 24

約数和(自身を含む): 42349815312

約数和(自身を除く): 22184729572

約数列:

[1, 2, 4, 5, 10, 20, 17707, 35414, 56941, 70828, 88535, 113882, 177070, 227764, 284705, 354140, 569410, 1138820, 1008254287, 2016508574, 4033017148, 5041271435, 10082542870, 20165085740]

約数ペア:

[(1, 20165085740), (2, 10082542870), (4, 5041271435), (5, 4033017148), (10, 2016508574), (20, 1008254287), (17707, 1138820), (35414, 569410), (56941, 354140), (70828, 284705), (88535, 227764), (113882, 177070)]