20201972409

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{16148659}}^1$

素因数の和:16148804

約数の個数: 12

約数和(自身を含む): 29390561200

約数和(自身を除く): 9188588791

約数列:

[1, 3, 9, 139, 417, 1251, 16148659, 48445977, 145337931, 2244663601, 6733990803, 20201972409]

約数ペア:

[(1, 20201972409), (3, 6733990803), (9, 2244663601), (139, 145337931), (417, 48445977), (1251, 16148659)]