2081420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9461}}^1$

素因数の和:9481

約数の個数: 24

約数和(自身を含む): 4768848

約数和(自身を除く): 2687428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9461, 18922, 37844, 47305, 94610, 104071, 189220, 208142, 416284, 520355, 1040710, 2081420]

約数ペア:

[(1, 2081420), (2, 1040710), (4, 520355), (5, 416284), (10, 208142), (11, 189220), (20, 104071), (22, 94610), (44, 47305), (55, 37844), (110, 18922), (220, 9461)]