20575997631

素因数分解:

$3^2\times 7^2\times {\mathrm{46657591}}^1$

素因数の和:46657611

約数の個数: 18

約数和(自身を含む): 34573275672

約数和(自身を除く): 13997278041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46657591, 139972773, 326603137, 419918319, 979809411, 2286221959, 2939428233, 6858665877, 20575997631]

約数ペア:

[(1, 20575997631), (3, 6858665877), (7, 2939428233), (9, 2286221959), (21, 979809411), (49, 419918319), (63, 326603137), (147, 139972773), (441, 46657591)]