20512395960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{4049}}^1$

素因数の和:4270

約数の個数: 256

約数和(自身を含む): 72690048000

約数和(自身を除く): 52177652040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 163, 168, 185, 210, 222, 259, 280, 296, 326, 370, 420, 444, 489, 518, 555, 652, 740, 777, 815, 840, 888, 978, 1036, 1110, 1141, 1295, 1304, 1480, 1554, 1630, 1956, 2072, 2220, 2282, 2445, 2590, 3108, 3260, 3423, 3885, 3912, 4049, 4440, 4564, 4890, 5180, 5705, 6031, 6216, 6520, 6846, 7770, 8098, 9128, 9780, 10360, 11410, 12062, 12147, 13692, 15540, 16196, 17115, 18093, 19560, 20245, 22820, 24124, 24294, 27384, 28343, 30155, 31080, 32392, 34230, 36186, 40490, 42217, 45640, 48248, 48588, 56686, 60310, 60735, 68460, 72372, 80980, 84434, 85029, 90465, 97176, 113372, 120620, 121470, 126651, 136920, 141715, 144744, 149813, 161960, 168868, 170058, 180930, 211085, 226744, 241240, 242940, 253302, 283430, 299626, 337736, 340116, 361860, 422170, 425145, 449439, 485880, 506604, 566860, 599252, 633255, 659987, 680232, 723720, 749065, 844340, 850290, 898878, 1013208, 1048691, 1133720, 1198504, 1266510, 1319974, 1498130, 1688680, 1700580, 1797756, 1979961, 2097382, 2247195, 2533020, 2639948, 2996260, 3146073, 3299935, 3401160, 3595512, 3959922, 4194764, 4494390, 4619909, 5066040, 5243455, 5279896, 5992520, 6292146, 6599870, 7919844, 8389528, 8988780, 9239818, 9899805, 10486910, 12584292, 13199740, 13859727, 15730365, 15839688, 17977560, 18479636, 19799610, 20973820, 23099545, 24419519, 25168584, 26399480, 27719454, 31460730, 36959272, 39599220, 41947640, 46199090, 48839038, 55438908, 62921460, 69298635, 73258557, 79198440, 92398180, 97678076, 110877816, 122097595, 125842920, 138597270, 146517114, 170936633, 184796360, 195356152, 244195190, 277194540, 293034228, 341873266, 366292785, 488390380, 512809899, 554389080, 586068456, 683746532, 732585570, 854683165, 976780760, 1025619798, 1367493064, 1465171140, 1709366330, 2051239596, 2564049495, 2930342280, 3418732660, 4102479192, 5128098990, 6837465320, 10256197980, 20512395960]

約数ペア:

[(1, 20512395960), (2, 10256197980), (3, 6837465320), (4, 5128098990), (5, 4102479192), (6, 3418732660), (7, 2930342280), (8, 2564049495), (10, 2051239596), (12, 1709366330), (14, 1465171140), (15, 1367493064), (20, 1025619798), (21, 976780760), (24, 854683165), (28, 732585570), (30, 683746532), (35, 586068456), (37, 554389080), (40, 512809899), (42, 488390380), (56, 366292785), (60, 341873266), (70, 293034228), (74, 277194540), (84, 244195190), (105, 195356152), (111, 184796360), (120, 170936633), (140, 146517114), (148, 138597270), (163, 125842920), (168, 122097595), (185, 110877816), (210, 97678076), (222, 92398180), (259, 79198440), (280, 73258557), (296, 69298635), (326, 62921460), (370, 55438908), (420, 48839038), (444, 46199090), (489, 41947640), (518, 39599220), (555, 36959272), (652, 31460730), (740, 27719454), (777, 26399480), (815, 25168584), (840, 24419519), (888, 23099545), (978, 20973820), (1036, 19799610), (1110, 18479636), (1141, 17977560), (1295, 15839688), (1304, 15730365), (1480, 13859727), (1554, 13199740), (1630, 12584292), (1956, 10486910), (2072, 9899805), (2220, 9239818), (2282, 8988780), (2445, 8389528), (2590, 7919844), (3108, 6599870), (3260, 6292146), (3423, 5992520), (3885, 5279896), (3912, 5243455), (4049, 5066040), (4440, 4619909), (4564, 4494390), (4890, 4194764), (5180, 3959922), (5705, 3595512), (6031, 3401160), (6216, 3299935), (6520, 3146073), (6846, 2996260), (7770, 2639948), (8098, 2533020), (9128, 2247195), (9780, 2097382), (10360, 1979961), (11410, 1797756), (12062, 1700580), (12147, 1688680), (13692, 1498130), (15540, 1319974), (16196, 1266510), (17115, 1198504), (18093, 1133720), (19560, 1048691), (20245, 1013208), (22820, 898878), (24124, 850290), (24294, 844340), (27384, 749065), (28343, 723720), (30155, 680232), (31080, 659987), (32392, 633255), (34230, 599252), (36186, 566860), (40490, 506604), (42217, 485880), (45640, 449439), (48248, 425145), (48588, 422170), (56686, 361860), (60310, 340116), (60735, 337736), (68460, 299626), (72372, 283430), (80980, 253302), (84434, 242940), (85029, 241240), (90465, 226744), (97176, 211085), (113372, 180930), (120620, 170058), (121470, 168868), (126651, 161960), (136920, 149813), (141715, 144744)]