20630457

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 31353504

約数和(自身を除く): 10723047

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1163, 1971, 3489, 5913, 10467, 17739, 31401, 84899, 94203, 254697, 282609, 764091, 2292273, 6876819, 20630457]

約数ペア:

[(1, 20630457), (3, 6876819), (9, 2292273), (27, 764091), (73, 282609), (81, 254697), (219, 94203), (243, 84899), (657, 31401), (1163, 17739), (1971, 10467), (3489, 5913)]