20917996

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{3929}}^1$

素因数の和:3966

約数の個数: 24

約数和(自身を含む): 40274640

約数和(自身を除く): 19356644

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 3929, 5324, 7858, 15716, 43219, 86438, 172876, 475409, 950818, 1901636, 5229499, 10458998, 20917996]

約数ペア:

[(1, 20917996), (2, 10458998), (4, 5229499), (11, 1901636), (22, 950818), (44, 475409), (121, 172876), (242, 86438), (484, 43219), (1331, 15716), (2662, 7858), (3929, 5324)]