20779686

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4871}}^1$

素因数の和:4961

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 25991514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4871, 9742, 14613, 29226, 43839, 87678, 131517, 263034, 384809, 769618, 1154427, 2308854, 3463281, 6926562, 10389843, 20779686]

約数ペア:

[(1, 20779686), (2, 10389843), (3, 6926562), (6, 3463281), (9, 2308854), (18, 1154427), (27, 769618), (54, 384809), (79, 263034), (158, 131517), (237, 87678), (474, 43839), (711, 29226), (1422, 14613), (2133, 9742), (4266, 4871)]