20489799

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4889}}^1$

素因数の和:5030

約数の個数: 16

約数和(自身を含む): 30044160

約数和(自身を除く): 9554361

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 4889, 14667, 53779, 161337, 620903, 1862709, 6829933, 20489799]

約数ペア:

[(1, 20489799), (3, 6829933), (11, 1862709), (33, 620903), (127, 161337), (381, 53779), (1397, 14667), (4191, 4889)]