20010505907

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1\times {\mathrm{85427}}^1$

素因数の和:85850

約数の個数: 16

約数和(自身を含む): 23154405120

約数和(自身を除く): 3143899213

約数列:

[1, 7, 109, 307, 763, 2149, 33463, 85427, 234241, 597989, 9311543, 26226089, 65180801, 183582623, 2858643701, 20010505907]

約数ペア:

[(1, 20010505907), (7, 2858643701), (109, 183582623), (307, 65180801), (763, 26226089), (2149, 9311543), (33463, 597989), (85427, 234241)]