20165302580

素因数分解:

$2^2\times 5^1\times {\mathrm{1008265129}}^1$

素因数の和:1008265138

約数の個数: 12

約数和(自身を含む): 42347135460

約数和(自身を除く): 22181832880

約数列:

[1, 2, 4, 5, 10, 20, 1008265129, 2016530258, 4033060516, 5041325645, 10082651290, 20165302580]

約数ペア:

[(1, 20165302580), (2, 10082651290), (4, 5041325645), (5, 4033060516), (10, 2016530258), (20, 1008265129)]