20478651

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 27777696

約数和(自身を除く): 7299045

約数列:

[1, 3, 113, 193, 313, 339, 579, 939, 21809, 35369, 60409, 65427, 106107, 181227, 6826217, 20478651]

約数ペア:

[(1, 20478651), (3, 6826217), (113, 181227), (193, 106107), (313, 65427), (339, 60409), (579, 35369), (939, 21809)]