20980173984

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{57923}}^1$

素因数の和:57968

約数の個数: 192

約数和(自身を含む): 70064870400

約数和(自身を除く): 49084696416

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 343, 352, 392, 462, 528, 539, 588, 616, 672, 686, 784, 924, 1029, 1056, 1078, 1176, 1232, 1372, 1568, 1617, 1848, 2058, 2156, 2352, 2464, 2744, 3234, 3696, 3773, 4116, 4312, 4704, 5488, 6468, 7392, 7546, 8232, 8624, 10976, 11319, 12936, 15092, 16464, 17248, 22638, 25872, 30184, 32928, 45276, 51744, 57923, 60368, 90552, 115846, 120736, 173769, 181104, 231692, 347538, 362208, 405461, 463384, 637153, 695076, 810922, 926768, 1216383, 1274306, 1390152, 1621844, 1853536, 1911459, 2432766, 2548612, 2780304, 2838227, 3243688, 3822918, 4460071, 4865532, 5097224, 5560608, 5676454, 6487376, 7645836, 8514681, 8920142, 9731064, 10194448, 11352908, 12974752, 13380213, 15291672, 17029362, 17840284, 19462128, 19867589, 20388896, 22705816, 26760426, 30583344, 31220497, 34058724, 35680568, 38924256, 39735178, 45411632, 53520852, 59602767, 61166688, 62440994, 68117448, 71361136, 79470356, 90823264, 93661491, 107041704, 119205534, 124881988, 136234896, 142722272, 158940712, 187322982, 214083408, 218543479, 238411068, 249763976, 272469792, 317881424, 374645964, 428166816, 437086958, 476822136, 499527952, 635762848, 655630437, 749291928, 874173916, 953644272, 999055904, 1311260874, 1498583856, 1748347832, 1907288544, 2622521748, 2997167712, 3496695664, 5245043496, 6993391328, 10490086992, 20980173984]

約数ペア:

[(1, 20980173984), (2, 10490086992), (3, 6993391328), (4, 5245043496), (6, 3496695664), (7, 2997167712), (8, 2622521748), (11, 1907288544), (12, 1748347832), (14, 1498583856), (16, 1311260874), (21, 999055904), (22, 953644272), (24, 874173916), (28, 749291928), (32, 655630437), (33, 635762848), (42, 499527952), (44, 476822136), (48, 437086958), (49, 428166816), (56, 374645964), (66, 317881424), (77, 272469792), (84, 249763976), (88, 238411068), (96, 218543479), (98, 214083408), (112, 187322982), (132, 158940712), (147, 142722272), (154, 136234896), (168, 124881988), (176, 119205534), (196, 107041704), (224, 93661491), (231, 90823264), (264, 79470356), (294, 71361136), (308, 68117448), (336, 62440994), (343, 61166688), (352, 59602767), (392, 53520852), (462, 45411632), (528, 39735178), (539, 38924256), (588, 35680568), (616, 34058724), (672, 31220497), (686, 30583344), (784, 26760426), (924, 22705816), (1029, 20388896), (1056, 19867589), (1078, 19462128), (1176, 17840284), (1232, 17029362), (1372, 15291672), (1568, 13380213), (1617, 12974752), (1848, 11352908), (2058, 10194448), (2156, 9731064), (2352, 8920142), (2464, 8514681), (2744, 7645836), (3234, 6487376), (3696, 5676454), (3773, 5560608), (4116, 5097224), (4312, 4865532), (4704, 4460071), (5488, 3822918), (6468, 3243688), (7392, 2838227), (7546, 2780304), (8232, 2548612), (8624, 2432766), (10976, 1911459), (11319, 1853536), (12936, 1621844), (15092, 1390152), (16464, 1274306), (17248, 1216383), (22638, 926768), (25872, 810922), (30184, 695076), (32928, 637153), (45276, 463384), (51744, 405461), (57923, 362208), (60368, 347538), (90552, 231692), (115846, 181104), (120736, 173769)]