20293504

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 32583296

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 64, 71, 77, 88, 112, 116, 128, 142, 154, 176, 203, 224, 232, 284, 308, 319, 352, 406, 448, 464, 497, 568, 616, 638, 704, 781, 812, 896, 928, 994, 1136, 1232, 1276, 1408, 1562, 1624, 1856, 1988, 2059, 2233, 2272, 2464, 2552, 3124, 3248, 3712, 3976, 4118, 4466, 4544, 4928, 5104, 5467, 6248, 6496, 7952, 8236, 8932, 9088, 9856, 10208, 10934, 12496, 12992, 14413, 15904, 16472, 17864, 20416, 21868, 22649, 24992, 25984, 28826, 31808, 32944, 35728, 40832, 43736, 45298, 49984, 57652, 63616, 65888, 71456, 87472, 90596, 99968, 115304, 131776, 142912, 158543, 174944, 181192, 230608, 263552, 285824, 317086, 349888, 362384, 461216, 634172, 699776, 724768, 922432, 1268344, 1449536, 1844864, 2536688, 2899072, 5073376, 10146752, 20293504]

約数ペア:

[(1, 20293504), (2, 10146752), (4, 5073376), (7, 2899072), (8, 2536688), (11, 1844864), (14, 1449536), (16, 1268344), (22, 922432), (28, 724768), (29, 699776), (32, 634172), (44, 461216), (56, 362384), (58, 349888), (64, 317086), (71, 285824), (77, 263552), (88, 230608), (112, 181192), (116, 174944), (128, 158543), (142, 142912), (154, 131776), (176, 115304), (203, 99968), (224, 90596), (232, 87472), (284, 71456), (308, 65888), (319, 63616), (352, 57652), (406, 49984), (448, 45298), (464, 43736), (497, 40832), (568, 35728), (616, 32944), (638, 31808), (704, 28826), (781, 25984), (812, 24992), (896, 22649), (928, 21868), (994, 20416), (1136, 17864), (1232, 16472), (1276, 15904), (1408, 14413), (1562, 12992), (1624, 12496), (1856, 10934), (1988, 10208), (2059, 9856), (2233, 9088), (2272, 8932), (2464, 8236), (2552, 7952), (3124, 6496), (3248, 6248), (3712, 5467), (3976, 5104), (4118, 4928), (4466, 4544)]