20392416

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 65218608

約数和(自身を除く): 44826192

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 41, 44, 48, 66, 72, 82, 88, 96, 99, 123, 132, 144, 157, 164, 176, 198, 246, 264, 288, 314, 328, 352, 369, 396, 451, 471, 492, 528, 628, 656, 738, 792, 902, 942, 984, 1056, 1256, 1312, 1353, 1413, 1476, 1584, 1727, 1804, 1884, 1968, 2512, 2706, 2826, 2952, 3168, 3454, 3608, 3768, 3936, 4059, 5024, 5181, 5412, 5652, 5904, 6437, 6908, 7216, 7536, 8118, 10362, 10824, 11304, 11808, 12874, 13816, 14432, 15072, 15543, 16236, 19311, 20724, 21648, 22608, 25748, 27632, 31086, 32472, 38622, 41448, 43296, 45216, 51496, 55264, 57933, 62172, 64944, 70807, 77244, 82896, 102992, 115866, 124344, 129888, 141614, 154488, 165792, 205984, 212421, 231732, 248688, 283228, 308976, 424842, 463464, 497376, 566456, 617952, 637263, 849684, 926928, 1132912, 1274526, 1699368, 1853856, 2265824, 2549052, 3398736, 5098104, 6797472, 10196208, 20392416]

約数ペア:

[(1, 20392416), (2, 10196208), (3, 6797472), (4, 5098104), (6, 3398736), (8, 2549052), (9, 2265824), (11, 1853856), (12, 1699368), (16, 1274526), (18, 1132912), (22, 926928), (24, 849684), (32, 637263), (33, 617952), (36, 566456), (41, 497376), (44, 463464), (48, 424842), (66, 308976), (72, 283228), (82, 248688), (88, 231732), (96, 212421), (99, 205984), (123, 165792), (132, 154488), (144, 141614), (157, 129888), (164, 124344), (176, 115866), (198, 102992), (246, 82896), (264, 77244), (288, 70807), (314, 64944), (328, 62172), (352, 57933), (369, 55264), (396, 51496), (451, 45216), (471, 43296), (492, 41448), (528, 38622), (628, 32472), (656, 31086), (738, 27632), (792, 25748), (902, 22608), (942, 21648), (984, 20724), (1056, 19311), (1256, 16236), (1312, 15543), (1353, 15072), (1413, 14432), (1476, 13816), (1584, 12874), (1727, 11808), (1804, 11304), (1884, 10824), (1968, 10362), (2512, 8118), (2706, 7536), (2826, 7216), (2952, 6908), (3168, 6437), (3454, 5904), (3608, 5652), (3768, 5412), (3936, 5181), (4059, 5024)]