20515326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 26793474

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 109, 114, 127, 218, 247, 254, 327, 381, 494, 654, 741, 762, 1417, 1482, 1651, 2071, 2413, 2834, 3302, 4142, 4251, 4826, 4953, 6213, 7239, 8502, 9906, 12426, 13843, 14478, 26923, 27686, 31369, 41529, 53846, 62738, 80769, 83058, 94107, 161538, 179959, 188214, 263017, 359918, 526034, 539877, 789051, 1079754, 1578102, 3419221, 6838442, 10257663, 20515326]

約数ペア:

[(1, 20515326), (2, 10257663), (3, 6838442), (6, 3419221), (13, 1578102), (19, 1079754), (26, 789051), (38, 539877), (39, 526034), (57, 359918), (78, 263017), (109, 188214), (114, 179959), (127, 161538), (218, 94107), (247, 83058), (254, 80769), (327, 62738), (381, 53846), (494, 41529), (654, 31369), (741, 27686), (762, 26923), (1417, 14478), (1482, 13843), (1651, 12426), (2071, 9906), (2413, 8502), (2834, 7239), (3302, 6213), (4142, 4953), (4251, 4826)]