20456214528

素因数分解:

$2^{12}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:788

約数の個数: 208

約数和(自身を含む): 57069121536

約数和(自身を除く): 36612907008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 83, 93, 96, 124, 128, 166, 186, 192, 248, 249, 256, 332, 372, 384, 496, 498, 512, 647, 664, 744, 768, 992, 996, 1024, 1294, 1328, 1488, 1536, 1941, 1984, 1992, 2048, 2573, 2588, 2656, 2976, 3072, 3882, 3968, 3984, 4096, 5146, 5176, 5312, 5952, 6144, 7719, 7764, 7936, 7968, 10292, 10352, 10624, 11904, 12288, 15438, 15528, 15872, 15936, 20057, 20584, 20704, 21248, 23808, 30876, 31056, 31744, 31872, 40114, 41168, 41408, 42496, 47616, 53701, 60171, 61752, 62112, 63488, 63744, 80228, 82336, 82816, 84992, 95232, 107402, 120342, 123504, 124224, 126976, 127488, 160456, 161103, 164672, 165632, 169984, 190464, 214804, 240684, 247008, 248448, 254976, 320912, 322206, 329344, 331264, 339968, 380928, 429608, 481368, 494016, 496896, 509952, 641824, 644412, 658688, 662528, 859216, 962736, 988032, 993792, 1019904, 1283648, 1288824, 1317376, 1325056, 1664731, 1718432, 1925472, 1976064, 1987584, 2567296, 2577648, 2634752, 2650112, 3329462, 3436864, 3850944, 3952128, 3975168, 4994193, 5134592, 5155296, 5269504, 6658924, 6873728, 7701888, 7904256, 7950336, 9988386, 10269184, 10310592, 10539008, 13317848, 13747456, 15403776, 15808512, 19976772, 20538368, 20621184, 26635696, 27494912, 30807552, 31617024, 39953544, 41076736, 41242368, 53271392, 54989824, 61615104, 79907088, 82153472, 82484736, 106542784, 109979648, 123230208, 159814176, 164969472, 213085568, 219959296, 246460416, 319628352, 329938944, 426171136, 639256704, 659877888, 852342272, 1278513408, 1704684544, 2557026816, 3409369088, 5114053632, 6818738176, 10228107264, 20456214528]

約数ペア:

[(1, 20456214528), (2, 10228107264), (3, 6818738176), (4, 5114053632), (6, 3409369088), (8, 2557026816), (12, 1704684544), (16, 1278513408), (24, 852342272), (31, 659877888), (32, 639256704), (48, 426171136), (62, 329938944), (64, 319628352), (83, 246460416), (93, 219959296), (96, 213085568), (124, 164969472), (128, 159814176), (166, 123230208), (186, 109979648), (192, 106542784), (248, 82484736), (249, 82153472), (256, 79907088), (332, 61615104), (372, 54989824), (384, 53271392), (496, 41242368), (498, 41076736), (512, 39953544), (647, 31617024), (664, 30807552), (744, 27494912), (768, 26635696), (992, 20621184), (996, 20538368), (1024, 19976772), (1294, 15808512), (1328, 15403776), (1488, 13747456), (1536, 13317848), (1941, 10539008), (1984, 10310592), (1992, 10269184), (2048, 9988386), (2573, 7950336), (2588, 7904256), (2656, 7701888), (2976, 6873728), (3072, 6658924), (3882, 5269504), (3968, 5155296), (3984, 5134592), (4096, 4994193), (5146, 3975168), (5176, 3952128), (5312, 3850944), (5952, 3436864), (6144, 3329462), (7719, 2650112), (7764, 2634752), (7936, 2577648), (7968, 2567296), (10292, 1987584), (10352, 1976064), (10624, 1925472), (11904, 1718432), (12288, 1664731), (15438, 1325056), (15528, 1317376), (15872, 1288824), (15936, 1283648), (20057, 1019904), (20584, 993792), (20704, 988032), (21248, 962736), (23808, 859216), (30876, 662528), (31056, 658688), (31744, 644412), (31872, 641824), (40114, 509952), (41168, 496896), (41408, 494016), (42496, 481368), (47616, 429608), (53701, 380928), (60171, 339968), (61752, 331264), (62112, 329344), (63488, 322206), (63744, 320912), (80228, 254976), (82336, 248448), (82816, 247008), (84992, 240684), (95232, 214804), (107402, 190464), (120342, 169984), (123504, 165632), (124224, 164672), (126976, 161103), (127488, 160456)]