20406948352

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{881}}^1$

素因数の和:1210

約数の個数: 160

約数和(自身を含む): 48853373184

約数和(自身を除く): 28446424832

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 281, 322, 368, 448, 512, 562, 644, 736, 881, 896, 1124, 1288, 1472, 1762, 1792, 1967, 2248, 2576, 2944, 3524, 3584, 3934, 4496, 5152, 5888, 6167, 6463, 7048, 7868, 8992, 10304, 11776, 12334, 12926, 14096, 15736, 17984, 20263, 20608, 24668, 25852, 28192, 31472, 35968, 40526, 41216, 45241, 49336, 51704, 56384, 62944, 71936, 81052, 82432, 90482, 98672, 103408, 112768, 125888, 141841, 143872, 162104, 180964, 197344, 206816, 225536, 247561, 251776, 283682, 324208, 361928, 394688, 413632, 451072, 495122, 503552, 567364, 648416, 723856, 789376, 827264, 990244, 1007104, 1134728, 1296832, 1447712, 1578752, 1654528, 1732927, 1980488, 2269456, 2593664, 2895424, 3157504, 3309056, 3465854, 3960976, 4538912, 5187328, 5693903, 5790848, 6931708, 7921952, 9077824, 10374656, 11387806, 11581696, 13863416, 15843904, 18155648, 22775612, 23163392, 27726832, 31687808, 36311296, 39857321, 45551224, 55453664, 63375616, 72622592, 79714642, 91102448, 110907328, 126751232, 159429284, 182204896, 221814656, 318858568, 364409792, 443629312, 637717136, 728819584, 887258624, 1275434272, 1457639168, 2550868544, 2915278336, 5101737088, 10203474176, 20406948352]

約数ペア:

[(1, 20406948352), (2, 10203474176), (4, 5101737088), (7, 2915278336), (8, 2550868544), (14, 1457639168), (16, 1275434272), (23, 887258624), (28, 728819584), (32, 637717136), (46, 443629312), (56, 364409792), (64, 318858568), (92, 221814656), (112, 182204896), (128, 159429284), (161, 126751232), (184, 110907328), (224, 91102448), (256, 79714642), (281, 72622592), (322, 63375616), (368, 55453664), (448, 45551224), (512, 39857321), (562, 36311296), (644, 31687808), (736, 27726832), (881, 23163392), (896, 22775612), (1124, 18155648), (1288, 15843904), (1472, 13863416), (1762, 11581696), (1792, 11387806), (1967, 10374656), (2248, 9077824), (2576, 7921952), (2944, 6931708), (3524, 5790848), (3584, 5693903), (3934, 5187328), (4496, 4538912), (5152, 3960976), (5888, 3465854), (6167, 3309056), (6463, 3157504), (7048, 2895424), (7868, 2593664), (8992, 2269456), (10304, 1980488), (11776, 1732927), (12334, 1654528), (12926, 1578752), (14096, 1447712), (15736, 1296832), (17984, 1134728), (20263, 1007104), (20608, 990244), (24668, 827264), (25852, 789376), (28192, 723856), (31472, 648416), (35968, 567364), (40526, 503552), (41216, 495122), (45241, 451072), (49336, 413632), (51704, 394688), (56384, 361928), (62944, 324208), (71936, 283682), (81052, 251776), (82432, 247561), (90482, 225536), (98672, 206816), (103408, 197344), (112768, 180964), (125888, 162104), (141841, 143872)]