20550816

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 68796000

約数和(自身を除く): 48245184

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 96, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 288, 312, 352, 396, 416, 429, 468, 499, 528, 572, 624, 792, 858, 936, 998, 1056, 1144, 1248, 1287, 1497, 1584, 1716, 1872, 1996, 2288, 2574, 2994, 3168, 3432, 3744, 3992, 4491, 4576, 5148, 5489, 5988, 6487, 6864, 7984, 8982, 10296, 10978, 11976, 12974, 13728, 15968, 16467, 17964, 19461, 20592, 21956, 23952, 25948, 32934, 35928, 38922, 41184, 43912, 47904, 49401, 51896, 58383, 65868, 71357, 71856, 77844, 87824, 98802, 103792, 116766, 131736, 142714, 143712, 155688, 175648, 197604, 207584, 214071, 233532, 263472, 285428, 311376, 395208, 428142, 467064, 526944, 570856, 622752, 642213, 790416, 856284, 934128, 1141712, 1284426, 1580832, 1712568, 1868256, 2283424, 2568852, 3425136, 5137704, 6850272, 10275408, 20550816]

約数ペア:

[(1, 20550816), (2, 10275408), (3, 6850272), (4, 5137704), (6, 3425136), (8, 2568852), (9, 2283424), (11, 1868256), (12, 1712568), (13, 1580832), (16, 1284426), (18, 1141712), (22, 934128), (24, 856284), (26, 790416), (32, 642213), (33, 622752), (36, 570856), (39, 526944), (44, 467064), (48, 428142), (52, 395208), (66, 311376), (72, 285428), (78, 263472), (88, 233532), (96, 214071), (99, 207584), (104, 197604), (117, 175648), (132, 155688), (143, 143712), (144, 142714), (156, 131736), (176, 116766), (198, 103792), (208, 98802), (234, 87824), (264, 77844), (286, 71856), (288, 71357), (312, 65868), (352, 58383), (396, 51896), (416, 49401), (429, 47904), (468, 43912), (499, 41184), (528, 38922), (572, 35928), (624, 32934), (792, 25948), (858, 23952), (936, 21956), (998, 20592), (1056, 19461), (1144, 17964), (1248, 16467), (1287, 15968), (1497, 13728), (1584, 12974), (1716, 11976), (1872, 10978), (1996, 10296), (2288, 8982), (2574, 7984), (2994, 6864), (3168, 6487), (3432, 5988), (3744, 5489), (3992, 5148), (4491, 4576)]