20491709136

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1\times {\mathrm{4751}}^1$

素因数の和:6344

約数の個数: 80

約数和(自身を含む): 53880837120

約数和(自身を除く): 33389127984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 118, 177, 236, 354, 472, 708, 944, 1416, 1523, 2832, 3046, 4569, 4751, 6092, 9138, 9502, 12184, 14253, 18276, 19004, 24368, 28506, 36552, 38008, 57012, 73104, 76016, 89857, 114024, 179714, 228048, 269571, 280309, 359428, 539142, 560618, 718856, 840927, 1078284, 1121236, 1437712, 1681854, 2156568, 2242472, 3363708, 4313136, 4484944, 6727416, 7235773, 13454832, 14471546, 21707319, 28943092, 43414638, 57886184, 86829276, 115772368, 173658552, 347317104, 426910607, 853821214, 1280731821, 1707642428, 2561463642, 3415284856, 5122927284, 6830569712, 10245854568, 20491709136]

約数ペア:

[(1, 20491709136), (2, 10245854568), (3, 6830569712), (4, 5122927284), (6, 3415284856), (8, 2561463642), (12, 1707642428), (16, 1280731821), (24, 853821214), (48, 426910607), (59, 347317104), (118, 173658552), (177, 115772368), (236, 86829276), (354, 57886184), (472, 43414638), (708, 28943092), (944, 21707319), (1416, 14471546), (1523, 13454832), (2832, 7235773), (3046, 6727416), (4569, 4484944), (4751, 4313136), (6092, 3363708), (9138, 2242472), (9502, 2156568), (12184, 1681854), (14253, 1437712), (18276, 1121236), (19004, 1078284), (24368, 840927), (28506, 718856), (36552, 560618), (38008, 539142), (57012, 359428), (73104, 280309), (76016, 269571), (89857, 228048), (114024, 179714)]