84107620

素因数分解:

$2^2\times 5^1\times {\mathrm{4205381}}^1$

素因数の和:4205390

約数の個数: 12

約数和(自身を含む): 176626044

約数和(自身を除く): 92518424

約数列:

[1, 2, 4, 5, 10, 20, 4205381, 8410762, 16821524, 21026905, 42053810, 84107620]

約数ペア:

[(1, 84107620), (2, 42053810), (4, 21026905), (5, 16821524), (10, 8410762), (20, 4205381)]