20745905460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{2551}}^1$

素因数の和:2671

約数の個数: 288

約数和(自身を含む): 71602341888

約数和(自身を除く): 50856436428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 67, 68, 70, 84, 85, 102, 105, 119, 134, 140, 170, 201, 204, 210, 238, 255, 268, 289, 335, 340, 357, 402, 420, 469, 476, 510, 578, 595, 670, 714, 804, 867, 938, 1005, 1020, 1139, 1156, 1190, 1340, 1407, 1428, 1445, 1734, 1785, 1876, 2010, 2023, 2278, 2345, 2380, 2551, 2814, 2890, 3417, 3468, 3570, 4020, 4046, 4335, 4556, 4690, 5102, 5628, 5695, 5780, 6069, 6834, 7035, 7140, 7653, 7973, 8092, 8670, 9380, 10115, 10204, 11390, 12138, 12755, 13668, 14070, 15306, 15946, 17085, 17340, 17857, 19363, 20230, 22780, 23919, 24276, 25510, 28140, 30345, 30612, 31892, 34170, 35714, 38265, 38726, 39865, 40460, 43367, 47838, 51020, 53571, 58089, 60690, 68340, 71428, 76530, 77452, 79730, 86734, 89285, 95676, 96815, 107142, 116178, 119595, 121380, 130101, 135541, 153060, 159460, 170917, 173468, 178570, 193630, 214284, 216835, 232356, 239190, 260202, 267855, 271082, 290445, 303569, 341834, 357140, 387260, 406623, 433670, 478380, 512751, 520404, 535710, 542164, 580890, 607138, 650505, 677705, 683668, 737239, 813246, 854585, 867340, 910707, 1025502, 1071420, 1161780, 1196419, 1214276, 1301010, 1355410, 1474478, 1517845, 1626492, 1709170, 1821414, 2033115, 2051004, 2211717, 2392838, 2563755, 2602020, 2710820, 2905589, 2948956, 3035690, 3418340, 3589257, 3642828, 3686195, 4066230, 4423434, 4553535, 4785676, 5127510, 5160673, 5811178, 5982095, 6071380, 7178514, 7372390, 8132460, 8716767, 8846868, 9107070, 10255020, 10321346, 11058585, 11622356, 11964190, 14357028, 14527945, 14744780, 15482019, 17433534, 17946285, 18214140, 20339123, 20642692, 22117170, 23928380, 25803365, 29055890, 30964038, 34867068, 35892570, 40678246, 43583835, 44234340, 49395013, 51606730, 58111780, 61017369, 61928076, 71785140, 77410095, 81356492, 87167670, 98790026, 101695615, 103213460, 122034738, 148185039, 154820190, 174335340, 197580052, 203391230, 244069476, 246975065, 296370078, 305086845, 309640380, 345765091, 406782460, 493950130, 592740156, 610173690, 691530182, 740925195, 987900260, 1037295273, 1220347380, 1383060364, 1481850390, 1728825455, 2074590546, 2963700780, 3457650910, 4149181092, 5186476365, 6915301820, 10372952730, 20745905460]

約数ペア:

[(1, 20745905460), (2, 10372952730), (3, 6915301820), (4, 5186476365), (5, 4149181092), (6, 3457650910), (7, 2963700780), (10, 2074590546), (12, 1728825455), (14, 1481850390), (15, 1383060364), (17, 1220347380), (20, 1037295273), (21, 987900260), (28, 740925195), (30, 691530182), (34, 610173690), (35, 592740156), (42, 493950130), (51, 406782460), (60, 345765091), (67, 309640380), (68, 305086845), (70, 296370078), (84, 246975065), (85, 244069476), (102, 203391230), (105, 197580052), (119, 174335340), (134, 154820190), (140, 148185039), (170, 122034738), (201, 103213460), (204, 101695615), (210, 98790026), (238, 87167670), (255, 81356492), (268, 77410095), (289, 71785140), (335, 61928076), (340, 61017369), (357, 58111780), (402, 51606730), (420, 49395013), (469, 44234340), (476, 43583835), (510, 40678246), (578, 35892570), (595, 34867068), (670, 30964038), (714, 29055890), (804, 25803365), (867, 23928380), (938, 22117170), (1005, 20642692), (1020, 20339123), (1139, 18214140), (1156, 17946285), (1190, 17433534), (1340, 15482019), (1407, 14744780), (1428, 14527945), (1445, 14357028), (1734, 11964190), (1785, 11622356), (1876, 11058585), (2010, 10321346), (2023, 10255020), (2278, 9107070), (2345, 8846868), (2380, 8716767), (2551, 8132460), (2814, 7372390), (2890, 7178514), (3417, 6071380), (3468, 5982095), (3570, 5811178), (4020, 5160673), (4046, 5127510), (4335, 4785676), (4556, 4553535), (4690, 4423434), (5102, 4066230), (5628, 3686195), (5695, 3642828), (5780, 3589257), (6069, 3418340), (6834, 3035690), (7035, 2948956), (7140, 2905589), (7653, 2710820), (7973, 2602020), (8092, 2563755), (8670, 2392838), (9380, 2211717), (10115, 2051004), (10204, 2033115), (11390, 1821414), (12138, 1709170), (12755, 1626492), (13668, 1517845), (14070, 1474478), (15306, 1355410), (15946, 1301010), (17085, 1214276), (17340, 1196419), (17857, 1161780), (19363, 1071420), (20230, 1025502), (22780, 910707), (23919, 867340), (24276, 854585), (25510, 813246), (28140, 737239), (30345, 683668), (30612, 677705), (31892, 650505), (34170, 607138), (35714, 580890), (38265, 542164), (38726, 535710), (39865, 520404), (40460, 512751), (43367, 478380), (47838, 433670), (51020, 406623), (53571, 387260), (58089, 357140), (60690, 341834), (68340, 303569), (71428, 290445), (76530, 271082), (77452, 267855), (79730, 260202), (86734, 239190), (89285, 232356), (95676, 216835), (96815, 214284), (107142, 193630), (116178, 178570), (119595, 173468), (121380, 170917), (130101, 159460), (135541, 153060)]