20579328

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 264

約数和(自身を含む): 76639680

約数和(自身を除く): 56060352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 29, 32, 33, 36, 42, 44, 48, 56, 58, 63, 64, 66, 72, 77, 84, 87, 88, 96, 99, 112, 116, 126, 128, 132, 144, 154, 168, 174, 176, 192, 198, 203, 224, 231, 232, 252, 256, 261, 264, 288, 308, 319, 336, 348, 352, 384, 396, 406, 448, 462, 464, 504, 512, 522, 528, 576, 609, 616, 638, 672, 693, 696, 704, 768, 792, 812, 896, 924, 928, 957, 1008, 1024, 1044, 1056, 1152, 1218, 1232, 1276, 1344, 1386, 1392, 1408, 1536, 1584, 1624, 1792, 1827, 1848, 1856, 1914, 2016, 2088, 2112, 2233, 2304, 2436, 2464, 2552, 2688, 2772, 2784, 2816, 2871, 3072, 3168, 3248, 3584, 3654, 3696, 3712, 3828, 4032, 4176, 4224, 4466, 4608, 4872, 4928, 5104, 5376, 5544, 5568, 5632, 5742, 6336, 6496, 6699, 7168, 7308, 7392, 7424, 7656, 8064, 8352, 8448, 8932, 9216, 9744, 9856, 10208, 10752, 11088, 11136, 11264, 11484, 12672, 12992, 13398, 14616, 14784, 14848, 15312, 16128, 16704, 16896, 17864, 19488, 19712, 20097, 20416, 21504, 22176, 22272, 22968, 25344, 25984, 26796, 29232, 29568, 29696, 30624, 32256, 33408, 33792, 35728, 38976, 39424, 40194, 40832, 44352, 44544, 45936, 50688, 51968, 53592, 58464, 59136, 61248, 64512, 66816, 71456, 77952, 78848, 80388, 81664, 88704, 89088, 91872, 101376, 103936, 107184, 116928, 118272, 122496, 133632, 142912, 155904, 160776, 163328, 177408, 183744, 207872, 214368, 233856, 236544, 244992, 267264, 285824, 311808, 321552, 326656, 354816, 367488, 428736, 467712, 489984, 571648, 623616, 643104, 709632, 734976, 857472, 935424, 979968, 1143296, 1286208, 1469952, 1714944, 1870848, 2286592, 2572416, 2939904, 3429888, 5144832, 6859776, 10289664, 20579328]

約数ペア:

[(1, 20579328), (2, 10289664), (3, 6859776), (4, 5144832), (6, 3429888), (7, 2939904), (8, 2572416), (9, 2286592), (11, 1870848), (12, 1714944), (14, 1469952), (16, 1286208), (18, 1143296), (21, 979968), (22, 935424), (24, 857472), (28, 734976), (29, 709632), (32, 643104), (33, 623616), (36, 571648), (42, 489984), (44, 467712), (48, 428736), (56, 367488), (58, 354816), (63, 326656), (64, 321552), (66, 311808), (72, 285824), (77, 267264), (84, 244992), (87, 236544), (88, 233856), (96, 214368), (99, 207872), (112, 183744), (116, 177408), (126, 163328), (128, 160776), (132, 155904), (144, 142912), (154, 133632), (168, 122496), (174, 118272), (176, 116928), (192, 107184), (198, 103936), (203, 101376), (224, 91872), (231, 89088), (232, 88704), (252, 81664), (256, 80388), (261, 78848), (264, 77952), (288, 71456), (308, 66816), (319, 64512), (336, 61248), (348, 59136), (352, 58464), (384, 53592), (396, 51968), (406, 50688), (448, 45936), (462, 44544), (464, 44352), (504, 40832), (512, 40194), (522, 39424), (528, 38976), (576, 35728), (609, 33792), (616, 33408), (638, 32256), (672, 30624), (693, 29696), (696, 29568), (704, 29232), (768, 26796), (792, 25984), (812, 25344), (896, 22968), (924, 22272), (928, 22176), (957, 21504), (1008, 20416), (1024, 20097), (1044, 19712), (1056, 19488), (1152, 17864), (1218, 16896), (1232, 16704), (1276, 16128), (1344, 15312), (1386, 14848), (1392, 14784), (1408, 14616), (1536, 13398), (1584, 12992), (1624, 12672), (1792, 11484), (1827, 11264), (1848, 11136), (1856, 11088), (1914, 10752), (2016, 10208), (2088, 9856), (2112, 9744), (2233, 9216), (2304, 8932), (2436, 8448), (2464, 8352), (2552, 8064), (2688, 7656), (2772, 7424), (2784, 7392), (2816, 7308), (2871, 7168), (3072, 6699), (3168, 6496), (3248, 6336), (3584, 5742), (3654, 5632), (3696, 5568), (3712, 5544), (3828, 5376), (4032, 5104), (4176, 4928), (4224, 4872), (4466, 4608)]