20047940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91127}}^1$

素因数の和:91147

約数の個数: 24

約数和(自身を含む): 45928512

約数和(自身を除く): 25880572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91127, 182254, 364508, 455635, 911270, 1002397, 1822540, 2004794, 4009588, 5011985, 10023970, 20047940]

約数ペア:

[(1, 20047940), (2, 10023970), (4, 5011985), (5, 4009588), (10, 2004794), (11, 1822540), (20, 1002397), (22, 911270), (44, 455635), (55, 364508), (110, 182254), (220, 91127)]