20280620

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1151}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 42674688

約数和(自身を除く): 22394068

約数列:

[1, 2, 4, 5, 10, 20, 881, 1151, 1762, 2302, 3524, 4405, 4604, 5755, 8810, 11510, 17620, 23020, 1014031, 2028062, 4056124, 5070155, 10140310, 20280620]

約数ペア:

[(1, 20280620), (2, 10140310), (4, 5070155), (5, 4056124), (10, 2028062), (20, 1014031), (881, 23020), (1151, 17620), (1762, 11510), (2302, 8810), (3524, 5755), (4405, 4604)]