20121282468

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{858563}}^1$

素因数の和:858614

約数の個数: 96

約数和(自身を含む): 61541867520

約数和(自身を除く): 41420585052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 837, 868, 1116, 1302, 1674, 1953, 2604, 3348, 3906, 5859, 7812, 11718, 23436, 858563, 1717126, 2575689, 3434252, 5151378, 6009941, 7727067, 10302756, 12019882, 15454134, 18029823, 23181201, 24039764, 26615453, 30908268, 36059646, 46362402, 53230906, 54089469, 72119292, 79846359, 92724804, 106461812, 108178938, 159692718, 162268407, 186308171, 216357876, 239539077, 319385436, 324536814, 372616342, 479078154, 558924513, 649073628, 718617231, 745232684, 958156308, 1117849026, 1437234462, 1676773539, 2235698052, 2874468924, 3353547078, 5030320617, 6707094156, 10060641234, 20121282468]

約数ペア:

[(1, 20121282468), (2, 10060641234), (3, 6707094156), (4, 5030320617), (6, 3353547078), (7, 2874468924), (9, 2235698052), (12, 1676773539), (14, 1437234462), (18, 1117849026), (21, 958156308), (27, 745232684), (28, 718617231), (31, 649073628), (36, 558924513), (42, 479078154), (54, 372616342), (62, 324536814), (63, 319385436), (84, 239539077), (93, 216357876), (108, 186308171), (124, 162268407), (126, 159692718), (186, 108178938), (189, 106461812), (217, 92724804), (252, 79846359), (279, 72119292), (372, 54089469), (378, 53230906), (434, 46362402), (558, 36059646), (651, 30908268), (756, 26615453), (837, 24039764), (868, 23181201), (1116, 18029823), (1302, 15454134), (1674, 12019882), (1953, 10302756), (2604, 7727067), (3348, 6009941), (3906, 5151378), (5859, 3434252), (7812, 2575689), (11718, 1717126), (23436, 858563)]