20557056

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 61810560

約数和(自身を除く): 41253504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 64, 71, 78, 87, 96, 104, 116, 128, 142, 156, 174, 192, 208, 213, 232, 256, 284, 312, 348, 377, 384, 416, 426, 464, 568, 624, 696, 754, 768, 832, 852, 923, 928, 1131, 1136, 1248, 1392, 1508, 1664, 1704, 1846, 1856, 2059, 2262, 2272, 2496, 2769, 2784, 3016, 3328, 3408, 3692, 3712, 4118, 4524, 4544, 4992, 5538, 5568, 6032, 6177, 6816, 7384, 7424, 8236, 9048, 9088, 9984, 11076, 11136, 12064, 12354, 13632, 14768, 16472, 18096, 18176, 22152, 22272, 24128, 24708, 26767, 27264, 29536, 32944, 36192, 44304, 48256, 49416, 53534, 54528, 59072, 65888, 72384, 80301, 88608, 96512, 98832, 107068, 118144, 131776, 144768, 160602, 177216, 197664, 214136, 236288, 263552, 289536, 321204, 354432, 395328, 428272, 527104, 642408, 708864, 790656, 856544, 1284816, 1581312, 1713088, 2569632, 3426176, 5139264, 6852352, 10278528, 20557056]

約数ペア:

[(1, 20557056), (2, 10278528), (3, 6852352), (4, 5139264), (6, 3426176), (8, 2569632), (12, 1713088), (13, 1581312), (16, 1284816), (24, 856544), (26, 790656), (29, 708864), (32, 642408), (39, 527104), (48, 428272), (52, 395328), (58, 354432), (64, 321204), (71, 289536), (78, 263552), (87, 236288), (96, 214136), (104, 197664), (116, 177216), (128, 160602), (142, 144768), (156, 131776), (174, 118144), (192, 107068), (208, 98832), (213, 96512), (232, 88608), (256, 80301), (284, 72384), (312, 65888), (348, 59072), (377, 54528), (384, 53534), (416, 49416), (426, 48256), (464, 44304), (568, 36192), (624, 32944), (696, 29536), (754, 27264), (768, 26767), (832, 24708), (852, 24128), (923, 22272), (928, 22152), (1131, 18176), (1136, 18096), (1248, 16472), (1392, 14768), (1508, 13632), (1664, 12354), (1704, 12064), (1846, 11136), (1856, 11076), (2059, 9984), (2262, 9088), (2272, 9048), (2496, 8236), (2769, 7424), (2784, 7384), (3016, 6816), (3328, 6177), (3408, 6032), (3692, 5568), (3712, 5538), (4118, 4992), (4524, 4544)]