20488820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93131}}^1$

素因数の和:93151

約数の個数: 24

約数和(自身を含む): 46938528

約数和(自身を除く): 26449708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93131, 186262, 372524, 465655, 931310, 1024441, 1862620, 2048882, 4097764, 5122205, 10244410, 20488820]

約数ペア:

[(1, 20488820), (2, 10244410), (4, 5122205), (5, 4097764), (10, 2048882), (11, 1862620), (20, 1024441), (22, 931310), (44, 465655), (55, 372524), (110, 186262), (220, 93131)]