208038820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945631}}^1$

素因数の和:945651

約数の個数: 24

約数和(自身を含む): 476598528

約数和(自身を除く): 268559708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945631, 1891262, 3782524, 4728155, 9456310, 10401941, 18912620, 20803882, 41607764, 52009705, 104019410, 208038820]

約数ペア:

[(1, 208038820), (2, 104019410), (4, 52009705), (5, 41607764), (10, 20803882), (11, 18912620), (20, 10401941), (22, 9456310), (44, 4728155), (55, 3782524), (110, 1891262), (220, 945631)]