20928820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95131}}^1$

素因数の和:95151

約数の個数: 24

約数和(自身を含む): 47946528

約数和(自身を除く): 27017708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95131, 190262, 380524, 475655, 951310, 1046441, 1902620, 2092882, 4185764, 5232205, 10464410, 20928820]

約数ペア:

[(1, 20928820), (2, 10464410), (4, 5232205), (5, 4185764), (10, 2092882), (11, 1902620), (20, 1046441), (22, 951310), (44, 475655), (55, 380524), (110, 190262), (220, 95131)]