20802649602

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:976

約数の個数: 128

約数和(自身を含む): 49418035200

約数和(自身を除く): 28615385598

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 107, 141, 149, 214, 282, 298, 321, 329, 447, 642, 658, 661, 749, 894, 987, 1043, 1322, 1498, 1974, 1983, 2086, 2247, 3129, 3966, 4494, 4627, 5029, 6258, 7003, 9254, 10058, 13881, 14006, 15087, 15943, 21009, 27762, 30174, 31067, 31886, 35203, 42018, 47829, 49021, 62134, 70406, 70727, 93201, 95658, 98042, 98489, 105609, 111601, 141454, 147063, 186402, 196978, 211218, 212181, 217469, 223202, 294126, 295467, 334803, 424362, 434938, 495089, 590934, 652407, 669606, 689423, 749321, 990178, 1304814, 1378846, 1485267, 1498642, 2068269, 2247963, 2970534, 3324169, 4136538, 4495926, 4628983, 5245247, 6648338, 9257966, 9972507, 10490494, 10538323, 13886949, 15735741, 19945014, 21076646, 23269183, 27773898, 31471482, 31614969, 32402881, 46538366, 63229938, 64805762, 69807549, 73768261, 97208643, 139615098, 147536522, 194417286, 221304783, 442609566, 495301181, 990602362, 1485903543, 2971807086, 3467108267, 6934216534, 10401324801, 20802649602]

約数ペア:

[(1, 20802649602), (2, 10401324801), (3, 6934216534), (6, 3467108267), (7, 2971807086), (14, 1485903543), (21, 990602362), (42, 495301181), (47, 442609566), (94, 221304783), (107, 194417286), (141, 147536522), (149, 139615098), (214, 97208643), (282, 73768261), (298, 69807549), (321, 64805762), (329, 63229938), (447, 46538366), (642, 32402881), (658, 31614969), (661, 31471482), (749, 27773898), (894, 23269183), (987, 21076646), (1043, 19945014), (1322, 15735741), (1498, 13886949), (1974, 10538323), (1983, 10490494), (2086, 9972507), (2247, 9257966), (3129, 6648338), (3966, 5245247), (4494, 4628983), (4627, 4495926), (5029, 4136538), (6258, 3324169), (7003, 2970534), (9254, 2247963), (10058, 2068269), (13881, 1498642), (14006, 1485267), (15087, 1378846), (15943, 1304814), (21009, 990178), (27762, 749321), (30174, 689423), (31067, 669606), (31886, 652407), (35203, 590934), (42018, 495089), (47829, 434938), (49021, 424362), (62134, 334803), (70406, 295467), (70727, 294126), (93201, 223202), (95658, 217469), (98042, 212181), (98489, 211218), (105609, 196978), (111601, 186402), (141454, 147063)]