20177982725

素因数分解:

$5^2\times {\mathrm{17209}}^1\times {\mathrm{46901}}^1$

素因数の和:64120

約数の個数: 12

約数和(自身を含む): 25022686020

約数和(自身を除く): 4844703295

約数列:

[1, 5, 25, 17209, 46901, 86045, 234505, 430225, 1172525, 807119309, 4035596545, 20177982725]

約数ペア:

[(1, 20177982725), (5, 4035596545), (25, 807119309), (17209, 1172525), (46901, 430225), (86045, 234505)]