20747416

素因数分解:

$2^3\times {\mathrm{1217}}^1\times {\mathrm{2131}}^1$

素因数の和:3354

約数の個数: 16

約数和(自身を含む): 38951640

約数和(自身を除く): 18204224

約数列:

[1, 2, 4, 8, 1217, 2131, 2434, 4262, 4868, 8524, 9736, 17048, 2593427, 5186854, 10373708, 20747416]

約数ペア:

[(1, 20747416), (2, 10373708), (4, 5186854), (8, 2593427), (1217, 17048), (2131, 9736), (2434, 8524), (4262, 4868)]