11118220

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{881}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 23411808

約数和(自身を除く): 12293588

約数列:

[1, 2, 4, 5, 10, 20, 631, 881, 1262, 1762, 2524, 3155, 3524, 4405, 6310, 8810, 12620, 17620, 555911, 1111822, 2223644, 2779555, 5559110, 11118220]

約数ペア:

[(1, 11118220), (2, 5559110), (4, 2779555), (5, 2223644), (10, 1111822), (20, 555911), (631, 17620), (881, 12620), (1262, 8810), (1762, 6310), (2524, 4405), (3155, 3524)]