20508729472

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 256

約数和(自身を含む): 53220499200

約数和(自身を除く): 32711769728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 64, 77, 88, 112, 116, 121, 128, 154, 176, 203, 224, 232, 242, 308, 319, 352, 406, 448, 464, 484, 593, 616, 638, 704, 812, 847, 896, 928, 968, 1186, 1232, 1276, 1331, 1408, 1624, 1694, 1856, 1936, 2233, 2372, 2464, 2552, 2662, 3248, 3388, 3509, 3712, 3872, 4151, 4466, 4744, 4928, 5104, 5324, 6496, 6523, 6776, 7018, 7744, 8302, 8932, 9317, 9488, 9856, 10208, 10648, 12992, 13046, 13552, 14036, 15488, 16604, 17197, 17864, 18634, 18976, 20416, 21296, 24563, 25984, 26092, 27104, 28072, 33208, 34394, 35728, 37268, 37952, 38599, 40832, 42592, 45661, 49126, 52184, 54208, 56144, 66416, 68788, 71456, 71753, 74536, 75904, 77198, 85184, 91322, 98252, 104368, 108416, 112288, 120379, 132832, 137576, 142912, 143506, 149072, 154396, 170368, 182644, 189167, 196504, 208736, 224576, 240758, 265664, 270193, 275152, 285824, 287012, 298144, 308792, 365288, 378334, 393008, 417472, 449152, 481516, 502271, 531328, 540386, 550304, 574024, 596288, 617584, 730576, 756668, 786016, 789283, 834944, 963032, 1004542, 1080772, 1100608, 1148048, 1192576, 1235168, 1324169, 1461152, 1513336, 1572032, 1578566, 1926064, 2009084, 2080837, 2161544, 2201216, 2296096, 2470336, 2648338, 2922304, 3026672, 3144064, 3157132, 3852128, 4018168, 4161674, 4323088, 4592192, 4940672, 5296676, 5524981, 5844608, 6053344, 6314264, 7704256, 8036336, 8323348, 8646176, 9184384, 10593352, 11049962, 12106688, 12628528, 14565859, 15408512, 16072672, 16646696, 17292352, 21186704, 22099924, 22889207, 24213376, 25257056, 29131718, 32145344, 33293392, 34584704, 42373408, 44199848, 45778414, 50514112, 58263436, 64290688, 66586784, 84746816, 88399696, 91556828, 101028224, 116526872, 133173568, 160224449, 169493632, 176799392, 183113656, 233053744, 266347136, 320448898, 353598784, 366227312, 466107488, 640897796, 707197568, 732454624, 932214976, 1281795592, 1464909248, 1864429952, 2563591184, 2929818496, 5127182368, 10254364736, 20508729472]

約数ペア:

[(1, 20508729472), (2, 10254364736), (4, 5127182368), (7, 2929818496), (8, 2563591184), (11, 1864429952), (14, 1464909248), (16, 1281795592), (22, 932214976), (28, 732454624), (29, 707197568), (32, 640897796), (44, 466107488), (56, 366227312), (58, 353598784), (64, 320448898), (77, 266347136), (88, 233053744), (112, 183113656), (116, 176799392), (121, 169493632), (128, 160224449), (154, 133173568), (176, 116526872), (203, 101028224), (224, 91556828), (232, 88399696), (242, 84746816), (308, 66586784), (319, 64290688), (352, 58263436), (406, 50514112), (448, 45778414), (464, 44199848), (484, 42373408), (593, 34584704), (616, 33293392), (638, 32145344), (704, 29131718), (812, 25257056), (847, 24213376), (896, 22889207), (928, 22099924), (968, 21186704), (1186, 17292352), (1232, 16646696), (1276, 16072672), (1331, 15408512), (1408, 14565859), (1624, 12628528), (1694, 12106688), (1856, 11049962), (1936, 10593352), (2233, 9184384), (2372, 8646176), (2464, 8323348), (2552, 8036336), (2662, 7704256), (3248, 6314264), (3388, 6053344), (3509, 5844608), (3712, 5524981), (3872, 5296676), (4151, 4940672), (4466, 4592192), (4744, 4323088), (4928, 4161674), (5104, 4018168), (5324, 3852128), (6496, 3157132), (6523, 3144064), (6776, 3026672), (7018, 2922304), (7744, 2648338), (8302, 2470336), (8932, 2296096), (9317, 2201216), (9488, 2161544), (9856, 2080837), (10208, 2009084), (10648, 1926064), (12992, 1578566), (13046, 1572032), (13552, 1513336), (14036, 1461152), (15488, 1324169), (16604, 1235168), (17197, 1192576), (17864, 1148048), (18634, 1100608), (18976, 1080772), (20416, 1004542), (21296, 963032), (24563, 834944), (25984, 789283), (26092, 786016), (27104, 756668), (28072, 730576), (33208, 617584), (34394, 596288), (35728, 574024), (37268, 550304), (37952, 540386), (38599, 531328), (40832, 502271), (42592, 481516), (45661, 449152), (49126, 417472), (52184, 393008), (54208, 378334), (56144, 365288), (66416, 308792), (68788, 298144), (71456, 287012), (71753, 285824), (74536, 275152), (75904, 270193), (77198, 265664), (85184, 240758), (91322, 224576), (98252, 208736), (104368, 196504), (108416, 189167), (112288, 182644), (120379, 170368), (132832, 154396), (137576, 149072), (142912, 143506)]