20500006912

素因数分解:

$2^{11}\times 7^4\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 240

約数和(自身を含む): 52303633200

約数和(自身を除く): 31803626288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 343, 352, 379, 392, 448, 512, 539, 616, 686, 704, 758, 784, 896, 1024, 1078, 1232, 1372, 1408, 1516, 1568, 1792, 2048, 2156, 2401, 2464, 2653, 2744, 2816, 3032, 3136, 3584, 3773, 4169, 4312, 4802, 4928, 5306, 5488, 5632, 6064, 6272, 7168, 7546, 8338, 8624, 9604, 9856, 10612, 10976, 11264, 12128, 12544, 14336, 15092, 16676, 17248, 18571, 19208, 19712, 21224, 21952, 22528, 24256, 25088, 26411, 29183, 30184, 33352, 34496, 37142, 38416, 39424, 42448, 43904, 48512, 50176, 52822, 58366, 60368, 66704, 68992, 74284, 76832, 78848, 84896, 87808, 97024, 100352, 105644, 116732, 120736, 129997, 133408, 137984, 148568, 153664, 157696, 169792, 175616, 194048, 204281, 211288, 233464, 241472, 259994, 266816, 275968, 297136, 307328, 339584, 351232, 388096, 408562, 422576, 466928, 482944, 519988, 533632, 551936, 594272, 614656, 679168, 702464, 776192, 817124, 845152, 909979, 933856, 965888, 1039976, 1067264, 1103872, 1188544, 1229312, 1358336, 1429967, 1634248, 1690304, 1819958, 1867712, 1931776, 2079952, 2134528, 2377088, 2458624, 2716672, 2859934, 3268496, 3380608, 3639916, 3735424, 3863552, 4159904, 4269056, 4754176, 4917248, 5433344, 5719868, 6536992, 6761216, 7279832, 7470848, 7727104, 8319808, 8538112, 9508352, 10009769, 11439736, 13073984, 13522432, 14559664, 14941696, 16639616, 19016704, 20019538, 22879472, 26147968, 27044864, 29119328, 29883392, 33279232, 38033408, 40039076, 45758944, 52295936, 54089728, 58238656, 59766784, 66558464, 80078152, 91517888, 104591872, 116477312, 133116928, 160156304, 183035776, 209183744, 232954624, 266233856, 320312608, 366071552, 418367488, 465909248, 640625216, 732143104, 931818496, 1281250432, 1464286208, 1863636992, 2562500864, 2928572416, 5125001728, 10250003456, 20500006912]

約数ペア:

[(1, 20500006912), (2, 10250003456), (4, 5125001728), (7, 2928572416), (8, 2562500864), (11, 1863636992), (14, 1464286208), (16, 1281250432), (22, 931818496), (28, 732143104), (32, 640625216), (44, 465909248), (49, 418367488), (56, 366071552), (64, 320312608), (77, 266233856), (88, 232954624), (98, 209183744), (112, 183035776), (128, 160156304), (154, 133116928), (176, 116477312), (196, 104591872), (224, 91517888), (256, 80078152), (308, 66558464), (343, 59766784), (352, 58238656), (379, 54089728), (392, 52295936), (448, 45758944), (512, 40039076), (539, 38033408), (616, 33279232), (686, 29883392), (704, 29119328), (758, 27044864), (784, 26147968), (896, 22879472), (1024, 20019538), (1078, 19016704), (1232, 16639616), (1372, 14941696), (1408, 14559664), (1516, 13522432), (1568, 13073984), (1792, 11439736), (2048, 10009769), (2156, 9508352), (2401, 8538112), (2464, 8319808), (2653, 7727104), (2744, 7470848), (2816, 7279832), (3032, 6761216), (3136, 6536992), (3584, 5719868), (3773, 5433344), (4169, 4917248), (4312, 4754176), (4802, 4269056), (4928, 4159904), (5306, 3863552), (5488, 3735424), (5632, 3639916), (6064, 3380608), (6272, 3268496), (7168, 2859934), (7546, 2716672), (8338, 2458624), (8624, 2377088), (9604, 2134528), (9856, 2079952), (10612, 1931776), (10976, 1867712), (11264, 1819958), (12128, 1690304), (12544, 1634248), (14336, 1429967), (15092, 1358336), (16676, 1229312), (17248, 1188544), (18571, 1103872), (19208, 1067264), (19712, 1039976), (21224, 965888), (21952, 933856), (22528, 909979), (24256, 845152), (25088, 817124), (26411, 776192), (29183, 702464), (30184, 679168), (33352, 614656), (34496, 594272), (37142, 551936), (38416, 533632), (39424, 519988), (42448, 482944), (43904, 466928), (48512, 422576), (50176, 408562), (52822, 388096), (58366, 351232), (60368, 339584), (66704, 307328), (68992, 297136), (74284, 275968), (76832, 266816), (78848, 259994), (84896, 241472), (87808, 233464), (97024, 211288), (100352, 204281), (105644, 194048), (116732, 175616), (120736, 169792), (129997, 157696), (133408, 153664), (137984, 148568)]