20517116928

素因数分解:

$2^{10}\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12391}}^1$

素因数の和:12439

約数の個数: 264

約数和(自身を含む): 69402536064

約数和(自身を除く): 48885419136

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, 64, 66, 77, 84, 88, 96, 98, 112, 128, 132, 147, 154, 168, 176, 192, 196, 224, 231, 256, 264, 294, 308, 336, 352, 384, 392, 448, 462, 512, 528, 539, 588, 616, 672, 704, 768, 784, 896, 924, 1024, 1056, 1078, 1176, 1232, 1344, 1408, 1536, 1568, 1617, 1792, 1848, 2112, 2156, 2352, 2464, 2688, 2816, 3072, 3136, 3234, 3584, 3696, 4224, 4312, 4704, 4928, 5376, 5632, 6272, 6468, 7168, 7392, 8448, 8624, 9408, 9856, 10752, 11264, 12391, 12544, 12936, 14784, 16896, 17248, 18816, 19712, 21504, 24782, 25088, 25872, 29568, 33792, 34496, 37173, 37632, 39424, 49564, 50176, 51744, 59136, 68992, 74346, 75264, 78848, 86737, 99128, 103488, 118272, 136301, 137984, 148692, 150528, 173474, 198256, 206976, 236544, 260211, 272602, 275968, 297384, 346948, 396512, 408903, 413952, 520422, 545204, 551936, 594768, 607159, 693896, 793024, 817806, 827904, 954107, 1040844, 1090408, 1189536, 1214318, 1387792, 1586048, 1635612, 1655808, 1821477, 1908214, 2081688, 2180816, 2379072, 2428636, 2775584, 2862321, 3172096, 3271224, 3642954, 3816428, 4163376, 4361632, 4758144, 4857272, 5551168, 5724642, 6344192, 6542448, 6678749, 7285908, 7632856, 8326752, 8723264, 9516288, 9714544, 11102336, 11449284, 12688384, 13084896, 13357498, 14571816, 15265712, 16653504, 17446528, 19032576, 19429088, 20036247, 22204672, 22898568, 26169792, 26714996, 29143632, 30531424, 33307008, 34893056, 38065152, 38858176, 40072494, 44409344, 45797136, 52339584, 53429992, 58287264, 61062848, 66614016, 69786112, 77716352, 80144988, 88818688, 91594272, 104679168, 106859984, 116574528, 122125696, 133228032, 139572224, 155432704, 160289976, 183188544, 209358336, 213719968, 233149056, 244251392, 266456064, 310865408, 320579952, 366377088, 418716672, 427439936, 466298112, 488502784, 621730816, 641159904, 732754176, 854879872, 932596224, 977005568, 1282319808, 1465508352, 1709759744, 1865192448, 2564639616, 2931016704, 3419519488, 5129279232, 6839038976, 10258558464, 20517116928]

約数ペア:

[(1, 20517116928), (2, 10258558464), (3, 6839038976), (4, 5129279232), (6, 3419519488), (7, 2931016704), (8, 2564639616), (11, 1865192448), (12, 1709759744), (14, 1465508352), (16, 1282319808), (21, 977005568), (22, 932596224), (24, 854879872), (28, 732754176), (32, 641159904), (33, 621730816), (42, 488502784), (44, 466298112), (48, 427439936), (49, 418716672), (56, 366377088), (64, 320579952), (66, 310865408), (77, 266456064), (84, 244251392), (88, 233149056), (96, 213719968), (98, 209358336), (112, 183188544), (128, 160289976), (132, 155432704), (147, 139572224), (154, 133228032), (168, 122125696), (176, 116574528), (192, 106859984), (196, 104679168), (224, 91594272), (231, 88818688), (256, 80144988), (264, 77716352), (294, 69786112), (308, 66614016), (336, 61062848), (352, 58287264), (384, 53429992), (392, 52339584), (448, 45797136), (462, 44409344), (512, 40072494), (528, 38858176), (539, 38065152), (588, 34893056), (616, 33307008), (672, 30531424), (704, 29143632), (768, 26714996), (784, 26169792), (896, 22898568), (924, 22204672), (1024, 20036247), (1056, 19429088), (1078, 19032576), (1176, 17446528), (1232, 16653504), (1344, 15265712), (1408, 14571816), (1536, 13357498), (1568, 13084896), (1617, 12688384), (1792, 11449284), (1848, 11102336), (2112, 9714544), (2156, 9516288), (2352, 8723264), (2464, 8326752), (2688, 7632856), (2816, 7285908), (3072, 6678749), (3136, 6542448), (3234, 6344192), (3584, 5724642), (3696, 5551168), (4224, 4857272), (4312, 4758144), (4704, 4361632), (4928, 4163376), (5376, 3816428), (5632, 3642954), (6272, 3271224), (6468, 3172096), (7168, 2862321), (7392, 2775584), (8448, 2428636), (8624, 2379072), (9408, 2180816), (9856, 2081688), (10752, 1908214), (11264, 1821477), (12391, 1655808), (12544, 1635612), (12936, 1586048), (14784, 1387792), (16896, 1214318), (17248, 1189536), (18816, 1090408), (19712, 1040844), (21504, 954107), (24782, 827904), (25088, 817806), (25872, 793024), (29568, 693896), (33792, 607159), (34496, 594768), (37173, 551936), (37632, 545204), (39424, 520422), (49564, 413952), (50176, 408903), (51744, 396512), (59136, 346948), (68992, 297384), (74346, 275968), (75264, 272602), (78848, 260211), (86737, 236544), (99128, 206976), (103488, 198256), (118272, 173474), (136301, 150528), (137984, 148692)]