20385757728

素因数分解:

$2^5\times 3^3\times 7^4\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 480

約数和(自身を含む): 71827499520

約数和(自身を除く): 51441741792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 49, 54, 56, 62, 63, 72, 84, 93, 96, 98, 108, 112, 124, 126, 144, 147, 168, 186, 189, 196, 216, 217, 224, 248, 252, 279, 288, 294, 317, 336, 343, 372, 378, 392, 432, 434, 441, 496, 504, 558, 588, 634, 651, 672, 686, 744, 756, 784, 837, 864, 868, 882, 951, 992, 1008, 1029, 1116, 1176, 1268, 1302, 1323, 1372, 1488, 1512, 1519, 1568, 1674, 1736, 1764, 1902, 1953, 2016, 2058, 2219, 2232, 2352, 2401, 2536, 2604, 2646, 2744, 2853, 2976, 3024, 3038, 3087, 3348, 3472, 3528, 3804, 3906, 4116, 4438, 4464, 4557, 4704, 4802, 5072, 5208, 5292, 5488, 5706, 5859, 6048, 6076, 6174, 6657, 6696, 6944, 7056, 7203, 7608, 7812, 8232, 8559, 8876, 8928, 9114, 9261, 9604, 9827, 10144, 10416, 10584, 10633, 10976, 11412, 11718, 12152, 12348, 13314, 13392, 13671, 14112, 14406, 15216, 15533, 15624, 16464, 17118, 17752, 18228, 18522, 19208, 19654, 19971, 20832, 21168, 21266, 21609, 22824, 23436, 24304, 24696, 26628, 26784, 27342, 28812, 29481, 30432, 31066, 31248, 31899, 32928, 34236, 35504, 36456, 37044, 38416, 39308, 39942, 41013, 42336, 42532, 43218, 45648, 46599, 46872, 48608, 49392, 53256, 54684, 57624, 58962, 59913, 62132, 62496, 63798, 64827, 68472, 68789, 71008, 72912, 74088, 74431, 76832, 78616, 79884, 82026, 85064, 86436, 88443, 91296, 93198, 93744, 95697, 98784, 106512, 108731, 109368, 115248, 117924, 119826, 124264, 127596, 129654, 136944, 137578, 139797, 145824, 148176, 148862, 157232, 159768, 164052, 170128, 172872, 176886, 186396, 187488, 191394, 206367, 213024, 217462, 218736, 223293, 230496, 235848, 239652, 248528, 255192, 259308, 265329, 273888, 275156, 279594, 287091, 296352, 297724, 314464, 319536, 326193, 328104, 340256, 345744, 353772, 372792, 382788, 412734, 419391, 434924, 437472, 446586, 471696, 479304, 481523, 497056, 510384, 518616, 530658, 550312, 559188, 574182, 595448, 619101, 639072, 652386, 656208, 669879, 691488, 707544, 745584, 761117, 765576, 825468, 838782, 869848, 893172, 943392, 958608, 963046, 978579, 1020768, 1037232, 1061316, 1100624, 1118376, 1148364, 1190896, 1238202, 1304772, 1312416, 1339758, 1415088, 1444569, 1491168, 1522234, 1531152, 1650936, 1677564, 1739696, 1786344, 1857303, 1917216, 1926092, 1957158, 2009637, 2074464, 2122632, 2201248, 2236752, 2283351, 2296728, 2381792, 2476404, 2609544, 2679516, 2830176, 2889138, 2935737, 3044468, 3062304, 3301872, 3355128, 3370661, 3479392, 3572688, 3714606, 3852184, 3914316, 4019274, 4245264, 4333707, 4473504, 4566702, 4593456, 4952808, 5219088, 5359032, 5778276, 5871474, 6088936, 6603744, 6710256, 6741322, 6850053, 7145376, 7429212, 7704368, 7828632, 8038548, 8490528, 8667414, 9133404, 9186912, 9905616, 10111983, 10438176, 10718064, 11556552, 11742948, 12177872, 13001121, 13420512, 13482644, 13700106, 14858424, 15408736, 15657264, 16077096, 17334828, 18266808, 19811232, 20223966, 20550159, 21436128, 23113104, 23485896, 23594627, 24355744, 26002242, 26965288, 27400212, 29716848, 30335949, 31314528, 32154192, 34669656, 36533616, 40447932, 41100318, 46226208, 46971792, 47189254, 52004484, 53930576, 54800424, 59433696, 60671898, 64308384, 69339312, 70783881, 73067232, 80895864, 82200636, 91007847, 93943584, 94378508, 104008968, 107861152, 109600848, 121343796, 138678624, 141567762, 161791728, 164401272, 182015694, 188757016, 208017936, 212351643, 219201696, 242687592, 283135524, 323583456, 328802544, 364031388, 377514032, 416035872, 424703286, 485375184, 566271048, 637054929, 657605088, 728062776, 755028064, 849406572, 970750368, 1132542096, 1274109858, 1456125552, 1698813144, 2265084192, 2548219716, 2912251104, 3397626288, 5096439432, 6795252576, 10192878864, 20385757728]

約数ペア:

[(1, 20385757728), (2, 10192878864), (3, 6795252576), (4, 5096439432), (6, 3397626288), (7, 2912251104), (8, 2548219716), (9, 2265084192), (12, 1698813144), (14, 1456125552), (16, 1274109858), (18, 1132542096), (21, 970750368), (24, 849406572), (27, 755028064), (28, 728062776), (31, 657605088), (32, 637054929), (36, 566271048), (42, 485375184), (48, 424703286), (49, 416035872), (54, 377514032), (56, 364031388), (62, 328802544), (63, 323583456), (72, 283135524), (84, 242687592), (93, 219201696), (96, 212351643), (98, 208017936), (108, 188757016), (112, 182015694), (124, 164401272), (126, 161791728), (144, 141567762), (147, 138678624), (168, 121343796), (186, 109600848), (189, 107861152), (196, 104008968), (216, 94378508), (217, 93943584), (224, 91007847), (248, 82200636), (252, 80895864), (279, 73067232), (288, 70783881), (294, 69339312), (317, 64308384), (336, 60671898), (343, 59433696), (372, 54800424), (378, 53930576), (392, 52004484), (432, 47189254), (434, 46971792), (441, 46226208), (496, 41100318), (504, 40447932), (558, 36533616), (588, 34669656), (634, 32154192), (651, 31314528), (672, 30335949), (686, 29716848), (744, 27400212), (756, 26965288), (784, 26002242), (837, 24355744), (864, 23594627), (868, 23485896), (882, 23113104), (951, 21436128), (992, 20550159), (1008, 20223966), (1029, 19811232), (1116, 18266808), (1176, 17334828), (1268, 16077096), (1302, 15657264), (1323, 15408736), (1372, 14858424), (1488, 13700106), (1512, 13482644), (1519, 13420512), (1568, 13001121), (1674, 12177872), (1736, 11742948), (1764, 11556552), (1902, 10718064), (1953, 10438176), (2016, 10111983), (2058, 9905616), (2219, 9186912), (2232, 9133404), (2352, 8667414), (2401, 8490528), (2536, 8038548), (2604, 7828632), (2646, 7704368), (2744, 7429212), (2853, 7145376), (2976, 6850053), (3024, 6741322), (3038, 6710256), (3087, 6603744), (3348, 6088936), (3472, 5871474), (3528, 5778276), (3804, 5359032), (3906, 5219088), (4116, 4952808), (4438, 4593456), (4464, 4566702), (4557, 4473504), (4704, 4333707), (4802, 4245264), (5072, 4019274), (5208, 3914316), (5292, 3852184), (5488, 3714606), (5706, 3572688), (5859, 3479392), (6048, 3370661), (6076, 3355128), (6174, 3301872), (6657, 3062304), (6696, 3044468), (6944, 2935737), (7056, 2889138), (7203, 2830176), (7608, 2679516), (7812, 2609544), (8232, 2476404), (8559, 2381792), (8876, 2296728), (8928, 2283351), (9114, 2236752), (9261, 2201248), (9604, 2122632), (9827, 2074464), (10144, 2009637), (10416, 1957158), (10584, 1926092), (10633, 1917216), (10976, 1857303), (11412, 1786344), (11718, 1739696), (12152, 1677564), (12348, 1650936), (13314, 1531152), (13392, 1522234), (13671, 1491168), (14112, 1444569), (14406, 1415088), (15216, 1339758), (15533, 1312416), (15624, 1304772), (16464, 1238202), (17118, 1190896), (17752, 1148364), (18228, 1118376), (18522, 1100624), (19208, 1061316), (19654, 1037232), (19971, 1020768), (20832, 978579), (21168, 963046), (21266, 958608), (21609, 943392), (22824, 893172), (23436, 869848), (24304, 838782), (24696, 825468), (26628, 765576), (26784, 761117), (27342, 745584), (28812, 707544), (29481, 691488), (30432, 669879), (31066, 656208), (31248, 652386), (31899, 639072), (32928, 619101), (34236, 595448), (35504, 574182), (36456, 559188), (37044, 550312), (38416, 530658), (39308, 518616), (39942, 510384), (41013, 497056), (42336, 481523), (42532, 479304), (43218, 471696), (45648, 446586), (46599, 437472), (46872, 434924), (48608, 419391), (49392, 412734), (53256, 382788), (54684, 372792), (57624, 353772), (58962, 345744), (59913, 340256), (62132, 328104), (62496, 326193), (63798, 319536), (64827, 314464), (68472, 297724), (68789, 296352), (71008, 287091), (72912, 279594), (74088, 275156), (74431, 273888), (76832, 265329), (78616, 259308), (79884, 255192), (82026, 248528), (85064, 239652), (86436, 235848), (88443, 230496), (91296, 223293), (93198, 218736), (93744, 217462), (95697, 213024), (98784, 206367), (106512, 191394), (108731, 187488), (109368, 186396), (115248, 176886), (117924, 172872), (119826, 170128), (124264, 164052), (127596, 159768), (129654, 157232), (136944, 148862), (137578, 148176), (139797, 145824)]