20121661120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{5839}}^1$

素因数の和:5967

約数の個数: 168

約数和(自身を含む): 53267457600

約数和(自身を除く): 33145796480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 121, 160, 176, 178, 220, 242, 320, 352, 356, 440, 445, 484, 605, 704, 712, 880, 890, 968, 979, 1210, 1424, 1760, 1780, 1936, 1958, 2420, 2848, 3520, 3560, 3872, 3916, 4840, 4895, 5696, 5839, 7120, 7744, 7832, 9680, 9790, 10769, 11678, 14240, 15664, 19360, 19580, 21538, 23356, 28480, 29195, 31328, 38720, 39160, 43076, 46712, 53845, 58390, 62656, 64229, 78320, 86152, 93424, 107690, 116780, 128458, 156640, 172304, 186848, 215380, 233560, 256916, 313280, 321145, 344608, 373696, 430760, 467120, 513832, 519671, 642290, 689216, 706519, 861520, 934240, 1027664, 1039342, 1284580, 1413038, 1723040, 1868480, 2055328, 2078684, 2569160, 2598355, 2826076, 3446080, 3532595, 4110656, 4157368, 5138320, 5196710, 5652152, 5716381, 7065190, 8314736, 10276640, 10393420, 11304304, 11432762, 14130380, 16629472, 20553280, 20786840, 22608608, 22865524, 28260760, 28581905, 33258944, 41573680, 45217216, 45731048, 56521520, 57163810, 62880191, 83147360, 91462096, 113043040, 114327620, 125760382, 166294720, 182924192, 226086080, 228655240, 251520764, 314400955, 365848384, 457310480, 503041528, 628801910, 914620960, 1006083056, 1257603820, 1829241920, 2012166112, 2515207640, 4024332224, 5030415280, 10060830560, 20121661120]

約数ペア:

[(1, 20121661120), (2, 10060830560), (4, 5030415280), (5, 4024332224), (8, 2515207640), (10, 2012166112), (11, 1829241920), (16, 1257603820), (20, 1006083056), (22, 914620960), (32, 628801910), (40, 503041528), (44, 457310480), (55, 365848384), (64, 314400955), (80, 251520764), (88, 228655240), (89, 226086080), (110, 182924192), (121, 166294720), (160, 125760382), (176, 114327620), (178, 113043040), (220, 91462096), (242, 83147360), (320, 62880191), (352, 57163810), (356, 56521520), (440, 45731048), (445, 45217216), (484, 41573680), (605, 33258944), (704, 28581905), (712, 28260760), (880, 22865524), (890, 22608608), (968, 20786840), (979, 20553280), (1210, 16629472), (1424, 14130380), (1760, 11432762), (1780, 11304304), (1936, 10393420), (1958, 10276640), (2420, 8314736), (2848, 7065190), (3520, 5716381), (3560, 5652152), (3872, 5196710), (3916, 5138320), (4840, 4157368), (4895, 4110656), (5696, 3532595), (5839, 3446080), (7120, 2826076), (7744, 2598355), (7832, 2569160), (9680, 2078684), (9790, 2055328), (10769, 1868480), (11678, 1723040), (14240, 1413038), (15664, 1284580), (19360, 1039342), (19580, 1027664), (21538, 934240), (23356, 861520), (28480, 706519), (29195, 689216), (31328, 642290), (38720, 519671), (39160, 513832), (43076, 467120), (46712, 430760), (53845, 373696), (58390, 344608), (62656, 321145), (64229, 313280), (78320, 256916), (86152, 233560), (93424, 215380), (107690, 186848), (116780, 172304), (128458, 156640)]