20825078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1159

約数の個数: 16

約数和(自身を含む): 32006016

約数和(自身を除く): 11180938

約数列:

[1, 2, 53, 106, 223, 446, 881, 1762, 11819, 23638, 46693, 93386, 196463, 392926, 10412539, 20825078]

約数ペア:

[(1, 20825078), (2, 10412539), (53, 392926), (106, 196463), (223, 93386), (446, 46693), (881, 23638), (1762, 11819)]