20180115380

素因数分解:

$2^2\times 5^1\times {\mathrm{1009005769}}^1$

素因数の和:1009005778

約数の個数: 12

約数和(自身を含む): 42378242340

約数和(自身を除く): 22198126960

約数列:

[1, 2, 4, 5, 10, 20, 1009005769, 2018011538, 4036023076, 5045028845, 10090057690, 20180115380]

約数ペア:

[(1, 20180115380), (2, 10090057690), (4, 5045028845), (5, 4036023076), (10, 2018011538), (20, 1009005769)]