20785515520

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4793}}^1$

素因数の和:4847

約数の個数: 264

約数和(自身を含む): 62648222112

約数和(自身を除く): 41862706592

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 242, 256, 280, 308, 320, 352, 385, 440, 448, 484, 512, 560, 605, 616, 640, 704, 770, 847, 880, 896, 968, 1024, 1120, 1210, 1232, 1280, 1408, 1540, 1694, 1760, 1792, 1936, 2240, 2420, 2464, 2560, 2816, 3080, 3388, 3520, 3584, 3872, 4235, 4480, 4793, 4840, 4928, 5120, 5632, 6160, 6776, 7040, 7168, 7744, 8470, 8960, 9586, 9680, 9856, 11264, 12320, 13552, 14080, 15488, 16940, 17920, 19172, 19360, 19712, 23965, 24640, 27104, 28160, 30976, 33551, 33880, 35840, 38344, 38720, 39424, 47930, 49280, 52723, 54208, 56320, 61952, 67102, 67760, 76688, 77440, 78848, 95860, 98560, 105446, 108416, 123904, 134204, 135520, 153376, 154880, 167755, 191720, 197120, 210892, 216832, 263615, 268408, 271040, 306752, 309760, 335510, 369061, 383440, 394240, 421784, 433664, 527230, 536816, 542080, 579953, 613504, 619520, 671020, 738122, 766880, 843568, 867328, 1054460, 1073632, 1084160, 1159906, 1227008, 1342040, 1476244, 1533760, 1687136, 1845305, 2108920, 2147264, 2168320, 2319812, 2454016, 2684080, 2899765, 2952488, 3067520, 3374272, 3690610, 4059671, 4217840, 4294528, 4336640, 4639624, 4908032, 5368160, 5799530, 5904976, 6135040, 6748544, 7381220, 8119342, 8435680, 8589056, 9279248, 10736320, 11599060, 11809952, 12270080, 13497088, 14762440, 16238684, 16871360, 17178112, 18558496, 20298355, 21472640, 23198120, 23619904, 24540160, 26994176, 29524880, 32477368, 33742720, 34356224, 37116992, 40596710, 42945280, 46396240, 47239808, 53988352, 59049760, 64954736, 67485440, 74233984, 81193420, 85890560, 92792480, 94479616, 118099520, 129909472, 134970880, 148467968, 162386840, 171781120, 185584960, 188959232, 236199040, 259818944, 269941760, 296935936, 324773680, 371169920, 377918464, 472398080, 519637888, 593871872, 649547360, 742339840, 944796160, 1039275776, 1299094720, 1484679680, 1889592320, 2078551552, 2598189440, 2969359360, 4157103104, 5196378880, 10392757760, 20785515520]

約数ペア:

[(1, 20785515520), (2, 10392757760), (4, 5196378880), (5, 4157103104), (7, 2969359360), (8, 2598189440), (10, 2078551552), (11, 1889592320), (14, 1484679680), (16, 1299094720), (20, 1039275776), (22, 944796160), (28, 742339840), (32, 649547360), (35, 593871872), (40, 519637888), (44, 472398080), (55, 377918464), (56, 371169920), (64, 324773680), (70, 296935936), (77, 269941760), (80, 259818944), (88, 236199040), (110, 188959232), (112, 185584960), (121, 171781120), (128, 162386840), (140, 148467968), (154, 134970880), (160, 129909472), (176, 118099520), (220, 94479616), (224, 92792480), (242, 85890560), (256, 81193420), (280, 74233984), (308, 67485440), (320, 64954736), (352, 59049760), (385, 53988352), (440, 47239808), (448, 46396240), (484, 42945280), (512, 40596710), (560, 37116992), (605, 34356224), (616, 33742720), (640, 32477368), (704, 29524880), (770, 26994176), (847, 24540160), (880, 23619904), (896, 23198120), (968, 21472640), (1024, 20298355), (1120, 18558496), (1210, 17178112), (1232, 16871360), (1280, 16238684), (1408, 14762440), (1540, 13497088), (1694, 12270080), (1760, 11809952), (1792, 11599060), (1936, 10736320), (2240, 9279248), (2420, 8589056), (2464, 8435680), (2560, 8119342), (2816, 7381220), (3080, 6748544), (3388, 6135040), (3520, 5904976), (3584, 5799530), (3872, 5368160), (4235, 4908032), (4480, 4639624), (4793, 4336640), (4840, 4294528), (4928, 4217840), (5120, 4059671), (5632, 3690610), (6160, 3374272), (6776, 3067520), (7040, 2952488), (7168, 2899765), (7744, 2684080), (8470, 2454016), (8960, 2319812), (9586, 2168320), (9680, 2147264), (9856, 2108920), (11264, 1845305), (12320, 1687136), (13552, 1533760), (14080, 1476244), (15488, 1342040), (16940, 1227008), (17920, 1159906), (19172, 1084160), (19360, 1073632), (19712, 1054460), (23965, 867328), (24640, 843568), (27104, 766880), (28160, 738122), (30976, 671020), (33551, 619520), (33880, 613504), (35840, 579953), (38344, 542080), (38720, 536816), (39424, 527230), (47930, 433664), (49280, 421784), (52723, 394240), (54208, 383440), (56320, 369061), (61952, 335510), (67102, 309760), (67760, 306752), (76688, 271040), (77440, 268408), (78848, 263615), (95860, 216832), (98560, 210892), (105446, 197120), (108416, 191720), (123904, 167755), (134204, 154880), (135520, 153376)]