20299942

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 36234000

約数和(自身を除く): 15934058

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 109, 169, 218, 247, 338, 377, 494, 551, 754, 1102, 1417, 2071, 2834, 3161, 3211, 4142, 4901, 6322, 6422, 7163, 9802, 14326, 18421, 26923, 36842, 41093, 53846, 60059, 82186, 93119, 120118, 186238, 349999, 534209, 699998, 780767, 1068418, 1561534, 10149971, 20299942]

約数ペア:

[(1, 20299942), (2, 10149971), (13, 1561534), (19, 1068418), (26, 780767), (29, 699998), (38, 534209), (58, 349999), (109, 186238), (169, 120118), (218, 93119), (247, 82186), (338, 60059), (377, 53846), (494, 41093), (551, 36842), (754, 26923), (1102, 18421), (1417, 14326), (2071, 9802), (2834, 7163), (3161, 6422), (3211, 6322), (4142, 4901)]