20087480574

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1\times {\mathrm{1123}}^1$

素因数の和:1819

約数の個数: 128

約数和(自身を含む): 51793920000

約数和(自身を除く): 31706439426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 599, 711, 1106, 1123, 1198, 1422, 1659, 1797, 2133, 2246, 3318, 3369, 3594, 4193, 4266, 4977, 5391, 6738, 7861, 8386, 9954, 10107, 10782, 12579, 14931, 15722, 16173, 20214, 23583, 25158, 29862, 30321, 32346, 37737, 47166, 47321, 60642, 70749, 75474, 88717, 94642, 113211, 141498, 141963, 177434, 212247, 226422, 266151, 283926, 331247, 424494, 425889, 532302, 621019, 662494, 672677, 798453, 851778, 993741, 1242038, 1277667, 1345354, 1596906, 1863057, 1987482, 2018031, 2395359, 2555334, 2981223, 3726114, 4036062, 4708739, 4790718, 5589171, 5962446, 6054093, 8943669, 9417478, 11178342, 12108186, 14126217, 16767513, 17887338, 18162279, 28252434, 33535026, 36324558, 42378651, 53141483, 84757302, 106282966, 127135953, 159424449, 254271906, 318848898, 371990381, 478273347, 743980762, 956546694, 1115971143, 1434820041, 2231942286, 2869640082, 3347913429, 6695826858, 10043740287, 20087480574]

約数ペア:

[(1, 20087480574), (2, 10043740287), (3, 6695826858), (6, 3347913429), (7, 2869640082), (9, 2231942286), (14, 1434820041), (18, 1115971143), (21, 956546694), (27, 743980762), (42, 478273347), (54, 371990381), (63, 318848898), (79, 254271906), (126, 159424449), (158, 127135953), (189, 106282966), (237, 84757302), (378, 53141483), (474, 42378651), (553, 36324558), (599, 33535026), (711, 28252434), (1106, 18162279), (1123, 17887338), (1198, 16767513), (1422, 14126217), (1659, 12108186), (1797, 11178342), (2133, 9417478), (2246, 8943669), (3318, 6054093), (3369, 5962446), (3594, 5589171), (4193, 4790718), (4266, 4708739), (4977, 4036062), (5391, 3726114), (6738, 2981223), (7861, 2555334), (8386, 2395359), (9954, 2018031), (10107, 1987482), (10782, 1863057), (12579, 1596906), (14931, 1345354), (15722, 1277667), (16173, 1242038), (20214, 993741), (23583, 851778), (25158, 798453), (29862, 672677), (30321, 662494), (32346, 621019), (37737, 532302), (47166, 425889), (47321, 424494), (60642, 331247), (70749, 283926), (75474, 266151), (88717, 226422), (94642, 212247), (113211, 177434), (141498, 141963)]