220950820

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{10949}}^1$

素因数の和:11967

約数の個数: 24

約数和(自身を含む): 464499000

約数和(自身を除く): 243548180

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 10949, 20180, 21898, 43796, 54745, 109490, 218980, 11047541, 22095082, 44190164, 55237705, 110475410, 220950820]

約数ペア:

[(1, 220950820), (2, 110475410), (4, 55237705), (5, 44190164), (10, 22095082), (20, 11047541), (1009, 218980), (2018, 109490), (4036, 54745), (5045, 43796), (10090, 21898), (10949, 20180)]