20258833

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 3610607

約数列:

[1, 7, 47, 139, 329, 443, 973, 3101, 6533, 20821, 45731, 61577, 145747, 431039, 2894119, 20258833]

約数ペア:

[(1, 20258833), (7, 2894119), (47, 431039), (139, 145747), (329, 61577), (443, 45731), (973, 20821), (3101, 6533)]