20460087

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 11888073

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 701, 1081, 1269, 2103, 3243, 6309, 9729, 16123, 18927, 29187, 32947, 48369, 98841, 145107, 296523, 435321, 757781, 889569, 2273343, 6820029, 20460087]

約数ペア:

[(1, 20460087), (3, 6820029), (9, 2273343), (23, 889569), (27, 757781), (47, 435321), (69, 296523), (141, 145107), (207, 98841), (423, 48369), (621, 32947), (701, 29187), (1081, 18927), (1269, 16123), (2103, 9729), (3243, 6309)]