20457123456

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{62897}}^1$

素因数の和:62943

約数の個数: 192

約数和(自身を含む): 68261941440

約数和(自身を除く): 47804817984

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 121, 128, 132, 154, 168, 176, 192, 224, 231, 242, 264, 308, 336, 352, 363, 384, 448, 462, 484, 528, 616, 672, 704, 726, 847, 896, 924, 968, 1056, 1232, 1344, 1408, 1452, 1694, 1848, 1936, 2112, 2464, 2541, 2688, 2904, 3388, 3696, 3872, 4224, 4928, 5082, 5808, 6776, 7392, 7744, 9856, 10164, 11616, 13552, 14784, 15488, 20328, 23232, 27104, 29568, 40656, 46464, 54208, 62897, 81312, 108416, 125794, 162624, 188691, 251588, 325248, 377382, 440279, 503176, 691867, 754764, 880558, 1006352, 1320837, 1383734, 1509528, 1761116, 2012704, 2075601, 2641674, 2767468, 3019056, 3522232, 4025408, 4151202, 4843069, 5283348, 5534936, 6038112, 7044464, 7610537, 8050816, 8302404, 9686138, 10566696, 11069872, 12076224, 14088928, 14529207, 15221074, 16604808, 19372276, 21133392, 22139744, 22831611, 24152448, 28177856, 29058414, 30442148, 33209616, 38744552, 42266784, 44279488, 45663222, 53273759, 56355712, 58116828, 60884296, 66419232, 77489104, 84533568, 88558976, 91326444, 106547518, 116233656, 121768592, 132838464, 154978208, 159821277, 169067136, 182652888, 213095036, 232467312, 243537184, 265676928, 309956416, 319642554, 365305776, 426190072, 464934624, 487074368, 619912832, 639285108, 730611552, 852380144, 929869248, 974148736, 1278570216, 1461223104, 1704760288, 1859738496, 2557140432, 2922446208, 3409520576, 5114280864, 6819041152, 10228561728, 20457123456]

約数ペア:

[(1, 20457123456), (2, 10228561728), (3, 6819041152), (4, 5114280864), (6, 3409520576), (7, 2922446208), (8, 2557140432), (11, 1859738496), (12, 1704760288), (14, 1461223104), (16, 1278570216), (21, 974148736), (22, 929869248), (24, 852380144), (28, 730611552), (32, 639285108), (33, 619912832), (42, 487074368), (44, 464934624), (48, 426190072), (56, 365305776), (64, 319642554), (66, 309956416), (77, 265676928), (84, 243537184), (88, 232467312), (96, 213095036), (112, 182652888), (121, 169067136), (128, 159821277), (132, 154978208), (154, 132838464), (168, 121768592), (176, 116233656), (192, 106547518), (224, 91326444), (231, 88558976), (242, 84533568), (264, 77489104), (308, 66419232), (336, 60884296), (352, 58116828), (363, 56355712), (384, 53273759), (448, 45663222), (462, 44279488), (484, 42266784), (528, 38744552), (616, 33209616), (672, 30442148), (704, 29058414), (726, 28177856), (847, 24152448), (896, 22831611), (924, 22139744), (968, 21133392), (1056, 19372276), (1232, 16604808), (1344, 15221074), (1408, 14529207), (1452, 14088928), (1694, 12076224), (1848, 11069872), (1936, 10566696), (2112, 9686138), (2464, 8302404), (2541, 8050816), (2688, 7610537), (2904, 7044464), (3388, 6038112), (3696, 5534936), (3872, 5283348), (4224, 4843069), (4928, 4151202), (5082, 4025408), (5808, 3522232), (6776, 3019056), (7392, 2767468), (7744, 2641674), (9856, 2075601), (10164, 2012704), (11616, 1761116), (13552, 1509528), (14784, 1383734), (15488, 1320837), (20328, 1006352), (23232, 880558), (27104, 754764), (29568, 691867), (40656, 503176), (46464, 440279), (54208, 377382), (62897, 325248), (81312, 251588), (108416, 188691), (125794, 162624)]