27271820

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2161}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 57388128

約数和(自身を除く): 30116308

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2161, 2524, 3155, 4322, 6310, 8644, 10805, 12620, 21610, 43220, 1363591, 2727182, 5454364, 6817955, 13635910, 27271820]

約数ペア:

[(1, 27271820), (2, 13635910), (4, 6817955), (5, 5454364), (10, 2727182), (20, 1363591), (631, 43220), (1262, 21610), (2161, 12620), (2524, 10805), (3155, 8644), (4322, 6310)]