20078864610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{43441}}^1$

素因数の和:43560

約数の個数: 128

約数和(自身を含む): 57652051968

約数和(自身を除く): 37573187358

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 71, 93, 105, 142, 155, 186, 210, 213, 217, 310, 355, 426, 434, 465, 497, 651, 710, 930, 994, 1065, 1085, 1302, 1491, 2130, 2170, 2201, 2485, 2982, 3255, 4402, 4970, 6510, 6603, 7455, 11005, 13206, 14910, 15407, 22010, 30814, 33015, 43441, 46221, 66030, 77035, 86882, 92442, 130323, 154070, 217205, 231105, 260646, 304087, 434410, 462210, 608174, 651615, 912261, 1303230, 1346671, 1520435, 1824522, 2693342, 3040870, 3084311, 4040013, 4561305, 6168622, 6733355, 8080026, 9122610, 9252933, 9426697, 13466710, 15421555, 18505866, 18853394, 20200065, 21590177, 28280091, 30843110, 40400130, 43180354, 46264665, 47133485, 56560182, 64770531, 92529330, 94266970, 95613641, 107950885, 129541062, 141400455, 191227282, 215901770, 282800910, 286840923, 323852655, 478068205, 573681846, 647705310, 669295487, 956136410, 1338590974, 1434204615, 2007886461, 2868409230, 3346477435, 4015772922, 6692954870, 10039432305, 20078864610]

約数ペア:

[(1, 20078864610), (2, 10039432305), (3, 6692954870), (5, 4015772922), (6, 3346477435), (7, 2868409230), (10, 2007886461), (14, 1434204615), (15, 1338590974), (21, 956136410), (30, 669295487), (31, 647705310), (35, 573681846), (42, 478068205), (62, 323852655), (70, 286840923), (71, 282800910), (93, 215901770), (105, 191227282), (142, 141400455), (155, 129541062), (186, 107950885), (210, 95613641), (213, 94266970), (217, 92529330), (310, 64770531), (355, 56560182), (426, 47133485), (434, 46264665), (465, 43180354), (497, 40400130), (651, 30843110), (710, 28280091), (930, 21590177), (994, 20200065), (1065, 18853394), (1085, 18505866), (1302, 15421555), (1491, 13466710), (2130, 9426697), (2170, 9252933), (2201, 9122610), (2485, 8080026), (2982, 6733355), (3255, 6168622), (4402, 4561305), (4970, 4040013), (6510, 3084311), (6603, 3040870), (7455, 2693342), (11005, 1824522), (13206, 1520435), (14910, 1346671), (15407, 1303230), (22010, 912261), (30814, 651615), (33015, 608174), (43441, 462210), (46221, 434410), (66030, 304087), (77035, 260646), (86882, 231105), (92442, 217205), (130323, 154070)]