20962656

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 70171920

約数和(自身を除く): 49209264

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, 509, 528, 572, 624, 792, 858, 936, 1018, 1056, 1144, 1248, 1287, 1527, 1584, 1716, 1872, 2036, 2288, 2574, 3054, 3168, 3432, 3744, 4072, 4576, 4581, 5148, 5599, 6108, 6617, 6864, 8144, 9162, 10296, 11198, 12216, 13234, 13728, 16288, 16797, 18324, 19851, 20592, 22396, 24432, 26468, 33594, 36648, 39702, 41184, 44792, 48864, 50391, 52936, 59553, 67188, 72787, 73296, 79404, 89584, 100782, 105872, 119106, 134376, 145574, 146592, 158808, 179168, 201564, 211744, 218361, 238212, 268752, 291148, 317616, 403128, 436722, 476424, 537504, 582296, 635232, 655083, 806256, 873444, 952848, 1164592, 1310166, 1612512, 1746888, 1905696, 2329184, 2620332, 3493776, 5240664, 6987552, 10481328, 20962656]

約数ペア:

[(1, 20962656), (2, 10481328), (3, 6987552), (4, 5240664), (6, 3493776), (8, 2620332), (9, 2329184), (11, 1905696), (12, 1746888), (13, 1612512), (16, 1310166), (18, 1164592), (22, 952848), (24, 873444), (26, 806256), (32, 655083), (33, 635232), (36, 582296), (39, 537504), (44, 476424), (48, 436722), (52, 403128), (66, 317616), (72, 291148), (78, 268752), (88, 238212), (96, 218361), (99, 211744), (104, 201564), (117, 179168), (132, 158808), (143, 146592), (144, 145574), (156, 134376), (176, 119106), (198, 105872), (208, 100782), (234, 89584), (264, 79404), (286, 73296), (288, 72787), (312, 67188), (352, 59553), (396, 52936), (416, 50391), (429, 48864), (468, 44792), (509, 41184), (528, 39702), (572, 36648), (624, 33594), (792, 26468), (858, 24432), (936, 22396), (1018, 20592), (1056, 19851), (1144, 18324), (1248, 16797), (1287, 16288), (1527, 13728), (1584, 13234), (1716, 12216), (1872, 11198), (2036, 10296), (2288, 9162), (2574, 8144), (3054, 6864), (3168, 6617), (3432, 6108), (3744, 5599), (4072, 5148), (4576, 4581)]