20999916288

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{36901}}^1$

素因数の和:36955

約数の個数: 216

約数和(自身を含む): 68639196080

約数和(自身を除く): 47639279792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 128, 144, 152, 156, 171, 192, 208, 228, 234, 247, 256, 288, 304, 312, 342, 384, 416, 456, 468, 494, 576, 608, 624, 684, 741, 768, 832, 912, 936, 988, 1152, 1216, 1248, 1368, 1482, 1664, 1824, 1872, 1976, 2223, 2304, 2432, 2496, 2736, 2964, 3328, 3648, 3744, 3952, 4446, 4864, 4992, 5472, 5928, 7296, 7488, 7904, 8892, 9984, 10944, 11856, 14592, 14976, 15808, 17784, 21888, 23712, 29952, 31616, 35568, 36901, 43776, 47424, 63232, 71136, 73802, 94848, 110703, 142272, 147604, 189696, 221406, 284544, 295208, 332109, 442812, 479713, 569088, 590416, 664218, 701119, 885624, 959426, 1180832, 1328436, 1402238, 1439139, 1771248, 1918852, 2103357, 2361664, 2656872, 2804476, 2878278, 3542496, 3837704, 4206714, 4317417, 4723328, 5313744, 5608952, 5756556, 6310071, 7084992, 7675408, 8413428, 8634834, 9114547, 9446656, 10627488, 11217904, 11513112, 12620142, 14169984, 15350816, 16826856, 17269668, 18229094, 21254976, 22435808, 23026224, 25240284, 27343641, 28339968, 30701632, 33653712, 34539336, 36458188, 42509952, 44871616, 46052448, 50480568, 54687282, 61403264, 67307424, 69078672, 72916376, 82030923, 85019904, 89743232, 92104896, 100961136, 109374564, 122806528, 134614848, 138157344, 145832752, 164061846, 179486464, 184209792, 201922272, 218749128, 269229696, 276314688, 291665504, 328123692, 368419584, 403844544, 437498256, 538459392, 552629376, 583331008, 656247384, 807689088, 874996512, 1105258752, 1166662016, 1312494768, 1615378176, 1749993024, 2333324032, 2624989536, 3499986048, 5249979072, 6999972096, 10499958144, 20999916288]

約数ペア:

[(1, 20999916288), (2, 10499958144), (3, 6999972096), (4, 5249979072), (6, 3499986048), (8, 2624989536), (9, 2333324032), (12, 1749993024), (13, 1615378176), (16, 1312494768), (18, 1166662016), (19, 1105258752), (24, 874996512), (26, 807689088), (32, 656247384), (36, 583331008), (38, 552629376), (39, 538459392), (48, 437498256), (52, 403844544), (57, 368419584), (64, 328123692), (72, 291665504), (76, 276314688), (78, 269229696), (96, 218749128), (104, 201922272), (114, 184209792), (117, 179486464), (128, 164061846), (144, 145832752), (152, 138157344), (156, 134614848), (171, 122806528), (192, 109374564), (208, 100961136), (228, 92104896), (234, 89743232), (247, 85019904), (256, 82030923), (288, 72916376), (304, 69078672), (312, 67307424), (342, 61403264), (384, 54687282), (416, 50480568), (456, 46052448), (468, 44871616), (494, 42509952), (576, 36458188), (608, 34539336), (624, 33653712), (684, 30701632), (741, 28339968), (768, 27343641), (832, 25240284), (912, 23026224), (936, 22435808), (988, 21254976), (1152, 18229094), (1216, 17269668), (1248, 16826856), (1368, 15350816), (1482, 14169984), (1664, 12620142), (1824, 11513112), (1872, 11217904), (1976, 10627488), (2223, 9446656), (2304, 9114547), (2432, 8634834), (2496, 8413428), (2736, 7675408), (2964, 7084992), (3328, 6310071), (3648, 5756556), (3744, 5608952), (3952, 5313744), (4446, 4723328), (4864, 4317417), (4992, 4206714), (5472, 3837704), (5928, 3542496), (7296, 2878278), (7488, 2804476), (7904, 2656872), (8892, 2361664), (9984, 2103357), (10944, 1918852), (11856, 1771248), (14592, 1439139), (14976, 1402238), (15808, 1328436), (17784, 1180832), (21888, 959426), (23712, 885624), (29952, 701119), (31616, 664218), (35568, 590416), (36901, 569088), (43776, 479713), (47424, 442812), (63232, 332109), (71136, 295208), (73802, 284544), (94848, 221406), (110703, 189696), (142272, 147604)]