20582122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21757}}^1$

素因数の和:21813

約数の個数: 16

約数和(自身を含む): 34464672

約数和(自身を除く): 13882550

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21757, 43514, 239327, 478654, 935551, 1871102, 10291061, 20582122]

約数ペア:

[(1, 20582122), (2, 10291061), (11, 1871102), (22, 935551), (43, 478654), (86, 239327), (473, 43514), (946, 21757)]