20149933713

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{42689}}^1$

素因数の和:42751

約数の個数: 72

約数和(自身を含む): 35623951200

約数和(自身を除く): 15474017487

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 169, 247, 273, 399, 507, 637, 741, 931, 1183, 1729, 1911, 2793, 3211, 3549, 5187, 8281, 9633, 12103, 22477, 24843, 36309, 42689, 67431, 128067, 157339, 298823, 472017, 554957, 811091, 896469, 1664871, 2091761, 2433273, 3884699, 5677637, 6275283, 7214441, 10544183, 11654097, 17032911, 21643323, 27192893, 31632549, 39743459, 50501087, 73809281, 81578679, 119230377, 137074379, 151503261, 221427843, 353507609, 411223137, 516664967, 959520653, 1060522827, 1549994901, 2878561959, 6716644571, 20149933713]

約数ペア:

[(1, 20149933713), (3, 6716644571), (7, 2878561959), (13, 1549994901), (19, 1060522827), (21, 959520653), (39, 516664967), (49, 411223137), (57, 353507609), (91, 221427843), (133, 151503261), (147, 137074379), (169, 119230377), (247, 81578679), (273, 73809281), (399, 50501087), (507, 39743459), (637, 31632549), (741, 27192893), (931, 21643323), (1183, 17032911), (1729, 11654097), (1911, 10544183), (2793, 7214441), (3211, 6275283), (3549, 5677637), (5187, 3884699), (8281, 2433273), (9633, 2091761), (12103, 1664871), (22477, 896469), (24843, 811091), (36309, 554957), (42689, 472017), (67431, 298823), (128067, 157339)]