208032220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945601}}^1$

素因数の和:945621

約数の個数: 24

約数和(自身を含む): 476583408

約数和(自身を除く): 268551188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945601, 1891202, 3782404, 4728005, 9456010, 10401611, 18912020, 20803222, 41606444, 52008055, 104016110, 208032220]

約数ペア:

[(1, 208032220), (2, 104016110), (4, 52008055), (5, 41606444), (10, 20803222), (11, 18912020), (20, 10401611), (22, 9456010), (44, 4728005), (55, 3782404), (110, 1891202), (220, 945601)]