20992281408

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18661}}^1$

素因数の和:18723

約数の個数: 280

約数和(自身を含む): 73415412224

約数和(自身を除く): 52423130816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 192, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 448, 496, 504, 558, 567, 576, 648, 651, 672, 744, 756, 837, 864, 868, 992, 1008, 1116, 1134, 1296, 1302, 1344, 1488, 1512, 1674, 1728, 1736, 1953, 1984, 2016, 2232, 2268, 2511, 2592, 2604, 2976, 3024, 3348, 3472, 3906, 4032, 4464, 4536, 5022, 5184, 5208, 5859, 5952, 6048, 6696, 6944, 7812, 8928, 9072, 10044, 10416, 11718, 12096, 13392, 13888, 15624, 17577, 17856, 18144, 18661, 20088, 20832, 23436, 26784, 31248, 35154, 36288, 37322, 40176, 41664, 46872, 53568, 55983, 62496, 70308, 74644, 80352, 93744, 111966, 124992, 130627, 140616, 149288, 160704, 167949, 187488, 223932, 261254, 281232, 298576, 335898, 374976, 391881, 447864, 503847, 522508, 562464, 578491, 597152, 671796, 783762, 895728, 1007694, 1045016, 1124928, 1156982, 1175643, 1194304, 1343592, 1511541, 1567524, 1735473, 1791456, 2015388, 2090032, 2313964, 2351286, 2687184, 3023082, 3135048, 3470946, 3526929, 3582912, 4030776, 4049437, 4180064, 4627928, 4702572, 5206419, 5374368, 6046164, 6270096, 6941892, 7053858, 8061552, 8098874, 8360128, 9255856, 9405144, 10412838, 10580787, 10748736, 12092328, 12148311, 12540192, 13883784, 14107716, 15619257, 16123104, 16197748, 18511712, 18810288, 20825676, 21161574, 24184656, 24296622, 25080384, 27767568, 28215432, 31238514, 32246208, 32395496, 36444933, 37023424, 37620576, 41651352, 42323148, 46857771, 48369312, 48593244, 55535136, 56430864, 62477028, 64790992, 72889866, 75241152, 83302704, 84646296, 93715542, 96738624, 97186488, 109334799, 111070272, 112861728, 124954056, 129581984, 145779732, 166605408, 169292592, 187431084, 194372976, 218669598, 225723456, 249908112, 259163968, 291559464, 328004397, 333210816, 338585184, 374862168, 388745952, 437339196, 499816224, 583118928, 656008794, 677170368, 749724336, 777491904, 874678392, 999632448, 1166237856, 1312017588, 1499448672, 1749356784, 2332475712, 2624035176, 2998897344, 3498713568, 5248070352, 6997427136, 10496140704, 20992281408]

約数ペア:

[(1, 20992281408), (2, 10496140704), (3, 6997427136), (4, 5248070352), (6, 3498713568), (7, 2998897344), (8, 2624035176), (9, 2332475712), (12, 1749356784), (14, 1499448672), (16, 1312017588), (18, 1166237856), (21, 999632448), (24, 874678392), (27, 777491904), (28, 749724336), (31, 677170368), (32, 656008794), (36, 583118928), (42, 499816224), (48, 437339196), (54, 388745952), (56, 374862168), (62, 338585184), (63, 333210816), (64, 328004397), (72, 291559464), (81, 259163968), (84, 249908112), (93, 225723456), (96, 218669598), (108, 194372976), (112, 187431084), (124, 169292592), (126, 166605408), (144, 145779732), (162, 129581984), (168, 124954056), (186, 112861728), (189, 111070272), (192, 109334799), (216, 97186488), (217, 96738624), (224, 93715542), (248, 84646296), (252, 83302704), (279, 75241152), (288, 72889866), (324, 64790992), (336, 62477028), (372, 56430864), (378, 55535136), (432, 48593244), (434, 48369312), (448, 46857771), (496, 42323148), (504, 41651352), (558, 37620576), (567, 37023424), (576, 36444933), (648, 32395496), (651, 32246208), (672, 31238514), (744, 28215432), (756, 27767568), (837, 25080384), (864, 24296622), (868, 24184656), (992, 21161574), (1008, 20825676), (1116, 18810288), (1134, 18511712), (1296, 16197748), (1302, 16123104), (1344, 15619257), (1488, 14107716), (1512, 13883784), (1674, 12540192), (1728, 12148311), (1736, 12092328), (1953, 10748736), (1984, 10580787), (2016, 10412838), (2232, 9405144), (2268, 9255856), (2511, 8360128), (2592, 8098874), (2604, 8061552), (2976, 7053858), (3024, 6941892), (3348, 6270096), (3472, 6046164), (3906, 5374368), (4032, 5206419), (4464, 4702572), (4536, 4627928), (5022, 4180064), (5184, 4049437), (5208, 4030776), (5859, 3582912), (5952, 3526929), (6048, 3470946), (6696, 3135048), (6944, 3023082), (7812, 2687184), (8928, 2351286), (9072, 2313964), (10044, 2090032), (10416, 2015388), (11718, 1791456), (12096, 1735473), (13392, 1567524), (13888, 1511541), (15624, 1343592), (17577, 1194304), (17856, 1175643), (18144, 1156982), (18661, 1124928), (20088, 1045016), (20832, 1007694), (23436, 895728), (26784, 783762), (31248, 671796), (35154, 597152), (36288, 578491), (37322, 562464), (40176, 522508), (41664, 503847), (46872, 447864), (53568, 391881), (55983, 374976), (62496, 335898), (70308, 298576), (74644, 281232), (80352, 261254), (93744, 223932), (111966, 187488), (124992, 167949), (130627, 160704), (140616, 149288)]