22812820

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1151}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 47996928

約数和(自身を除く): 25184108

約数列:

[1, 2, 4, 5, 10, 20, 991, 1151, 1982, 2302, 3964, 4604, 4955, 5755, 9910, 11510, 19820, 23020, 1140641, 2281282, 4562564, 5703205, 11406410, 22812820]

約数ペア:

[(1, 22812820), (2, 11406410), (4, 5703205), (5, 4562564), (10, 2281282), (20, 1140641), (991, 23020), (1151, 19820), (1982, 11510), (2302, 9910), (3964, 5755), (4604, 4955)]