20665788416

素因数分解:

$2^{11}\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 384

約数和(自身を含む): 54302976000

約数和(自身を除く): 33637187584

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 64, 73, 91, 98, 104, 112, 124, 128, 146, 182, 196, 208, 217, 224, 248, 256, 292, 343, 364, 392, 403, 416, 434, 448, 496, 511, 512, 584, 637, 686, 728, 784, 806, 832, 868, 896, 949, 992, 1022, 1024, 1168, 1274, 1372, 1456, 1519, 1568, 1612, 1664, 1736, 1792, 1898, 1984, 2044, 2048, 2263, 2336, 2548, 2744, 2821, 2912, 3038, 3136, 3224, 3328, 3472, 3577, 3584, 3796, 3968, 4088, 4459, 4526, 4672, 5096, 5488, 5642, 5824, 6076, 6272, 6448, 6643, 6656, 6944, 7154, 7168, 7592, 7936, 8176, 8918, 9052, 9344, 10192, 10633, 10976, 11284, 11648, 12152, 12544, 12896, 13286, 13312, 13888, 14308, 14336, 15184, 15841, 15872, 16352, 17836, 18104, 18688, 19747, 20384, 21266, 21952, 22568, 23296, 24304, 25039, 25088, 25792, 26572, 26624, 27776, 28616, 29419, 30368, 31682, 31744, 32704, 35672, 36208, 37376, 39494, 40768, 42532, 43904, 45136, 46501, 46592, 48608, 50078, 50176, 51584, 53144, 55552, 57232, 58838, 60736, 63364, 63488, 65408, 71344, 72416, 74752, 78988, 81536, 85064, 87808, 90272, 93002, 93184, 97216, 100156, 100352, 103168, 106288, 110887, 111104, 114464, 117676, 121472, 126728, 130816, 138229, 142688, 144832, 149504, 157976, 163072, 170128, 175616, 180544, 186004, 186368, 194432, 200312, 205933, 206336, 212576, 221774, 222208, 228928, 235352, 242944, 253456, 261632, 276458, 285376, 289664, 315952, 325507, 326144, 340256, 351232, 361088, 372008, 388864, 400624, 411866, 412672, 425152, 443548, 444416, 457856, 470704, 485888, 506912, 523264, 552916, 570752, 579328, 631904, 651014, 652288, 680512, 702464, 722176, 744016, 776209, 777728, 801248, 823732, 825344, 850304, 887096, 915712, 941408, 971776, 1013824, 1046528, 1105832, 1141504, 1158656, 1263808, 1302028, 1304576, 1361024, 1441531, 1444352, 1488032, 1552418, 1555456, 1602496, 1647464, 1700608, 1774192, 1831424, 1882816, 1943552, 2027648, 2211664, 2283008, 2317312, 2527616, 2604056, 2722048, 2883062, 2888704, 2976064, 3104836, 3110912, 3204992, 3294928, 3401216, 3548384, 3662848, 3765632, 4055296, 4423328, 4566016, 4634624, 5055232, 5208112, 5444096, 5766124, 5777408, 5952128, 6209672, 6409984, 6589856, 6802432, 7096768, 7325696, 7531264, 8110592, 8846656, 9132032, 10090717, 10110464, 10416224, 10888192, 11532248, 11904256, 12419344, 12819968, 13179712, 13604864, 14193536, 15062528, 16221184, 17693312, 20181434, 20220928, 20832448, 21776384, 23064496, 23808512, 24838688, 25639936, 26359424, 28387072, 30125056, 32442368, 35386624, 40362868, 40441856, 41664896, 46128992, 47617024, 49677376, 51279872, 52718848, 56774144, 60250112, 70773248, 80725736, 83329792, 92257984, 95234048, 99354752, 105437696, 113548288, 141546496, 161451472, 166659584, 184515968, 198709504, 210875392, 227096576, 283092992, 322902944, 333319168, 369031936, 397419008, 421750784, 645805888, 666638336, 738063872, 794838016, 1291611776, 1476127744, 1589676032, 2583223552, 2952255488, 5166447104, 10332894208, 20665788416]

約数ペア:

[(1, 20665788416), (2, 10332894208), (4, 5166447104), (7, 2952255488), (8, 2583223552), (13, 1589676032), (14, 1476127744), (16, 1291611776), (26, 794838016), (28, 738063872), (31, 666638336), (32, 645805888), (49, 421750784), (52, 397419008), (56, 369031936), (62, 333319168), (64, 322902944), (73, 283092992), (91, 227096576), (98, 210875392), (104, 198709504), (112, 184515968), (124, 166659584), (128, 161451472), (146, 141546496), (182, 113548288), (196, 105437696), (208, 99354752), (217, 95234048), (224, 92257984), (248, 83329792), (256, 80725736), (292, 70773248), (343, 60250112), (364, 56774144), (392, 52718848), (403, 51279872), (416, 49677376), (434, 47617024), (448, 46128992), (496, 41664896), (511, 40441856), (512, 40362868), (584, 35386624), (637, 32442368), (686, 30125056), (728, 28387072), (784, 26359424), (806, 25639936), (832, 24838688), (868, 23808512), (896, 23064496), (949, 21776384), (992, 20832448), (1022, 20220928), (1024, 20181434), (1168, 17693312), (1274, 16221184), (1372, 15062528), (1456, 14193536), (1519, 13604864), (1568, 13179712), (1612, 12819968), (1664, 12419344), (1736, 11904256), (1792, 11532248), (1898, 10888192), (1984, 10416224), (2044, 10110464), (2048, 10090717), (2263, 9132032), (2336, 8846656), (2548, 8110592), (2744, 7531264), (2821, 7325696), (2912, 7096768), (3038, 6802432), (3136, 6589856), (3224, 6409984), (3328, 6209672), (3472, 5952128), (3577, 5777408), (3584, 5766124), (3796, 5444096), (3968, 5208112), (4088, 5055232), (4459, 4634624), (4526, 4566016), (4672, 4423328), (5096, 4055296), (5488, 3765632), (5642, 3662848), (5824, 3548384), (6076, 3401216), (6272, 3294928), (6448, 3204992), (6643, 3110912), (6656, 3104836), (6944, 2976064), (7154, 2888704), (7168, 2883062), (7592, 2722048), (7936, 2604056), (8176, 2527616), (8918, 2317312), (9052, 2283008), (9344, 2211664), (10192, 2027648), (10633, 1943552), (10976, 1882816), (11284, 1831424), (11648, 1774192), (12152, 1700608), (12544, 1647464), (12896, 1602496), (13286, 1555456), (13312, 1552418), (13888, 1488032), (14308, 1444352), (14336, 1441531), (15184, 1361024), (15841, 1304576), (15872, 1302028), (16352, 1263808), (17836, 1158656), (18104, 1141504), (18688, 1105832), (19747, 1046528), (20384, 1013824), (21266, 971776), (21952, 941408), (22568, 915712), (23296, 887096), (24304, 850304), (25039, 825344), (25088, 823732), (25792, 801248), (26572, 777728), (26624, 776209), (27776, 744016), (28616, 722176), (29419, 702464), (30368, 680512), (31682, 652288), (31744, 651014), (32704, 631904), (35672, 579328), (36208, 570752), (37376, 552916), (39494, 523264), (40768, 506912), (42532, 485888), (43904, 470704), (45136, 457856), (46501, 444416), (46592, 443548), (48608, 425152), (50078, 412672), (50176, 411866), (51584, 400624), (53144, 388864), (55552, 372008), (57232, 361088), (58838, 351232), (60736, 340256), (63364, 326144), (63488, 325507), (65408, 315952), (71344, 289664), (72416, 285376), (74752, 276458), (78988, 261632), (81536, 253456), (85064, 242944), (87808, 235352), (90272, 228928), (93002, 222208), (93184, 221774), (97216, 212576), (100156, 206336), (100352, 205933), (103168, 200312), (106288, 194432), (110887, 186368), (111104, 186004), (114464, 180544), (117676, 175616), (121472, 170128), (126728, 163072), (130816, 157976), (138229, 149504), (142688, 144832)]