208047620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945671}}^1$

素因数の和:945691

約数の個数: 24

約数和(自身を含む): 476618688

約数和(自身を除く): 268571068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945671, 1891342, 3782684, 4728355, 9456710, 10402381, 18913420, 20804762, 41609524, 52011905, 104023810, 208047620]

約数ペア:

[(1, 208047620), (2, 104023810), (4, 52011905), (5, 41609524), (10, 20804762), (11, 18913420), (20, 10402381), (22, 9456710), (44, 4728355), (55, 3782684), (110, 1891342), (220, 945671)]