22221980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101009}}^1$

素因数の和:101029

約数の個数: 24

約数和(自身を含む): 50909040

約数和(自身を除く): 28687060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 101009, 202018, 404036, 505045, 1010090, 1111099, 2020180, 2222198, 4444396, 5555495, 11110990, 22221980]

約数ペア:

[(1, 22221980), (2, 11110990), (4, 5555495), (5, 4444396), (10, 2222198), (11, 2020180), (20, 1111099), (22, 1010090), (44, 505045), (55, 404036), (110, 202018), (220, 101009)]