20528080216

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1\times {\mathrm{4349}}^1$

素因数の和:7112

約数の個数: 64

約数和(自身を含む): 45434880000

約数和(自身を除く): 24906799784

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 2719, 4349, 5438, 8698, 10876, 17396, 19033, 21752, 30443, 34792, 38066, 60886, 76132, 84289, 121772, 134819, 152264, 168578, 243544, 269638, 337156, 539276, 590023, 674312, 943733, 1078552, 1180046, 1887466, 2360092, 3774932, 4720184, 7549864, 11824931, 23649862, 47299724, 82774517, 94599448, 165549034, 331098068, 366572861, 662196136, 733145722, 1466291444, 2566010027, 2932582888, 5132020054, 10264040108, 20528080216]

約数ペア:

[(1, 20528080216), (2, 10264040108), (4, 5132020054), (7, 2932582888), (8, 2566010027), (14, 1466291444), (28, 733145722), (31, 662196136), (56, 366572861), (62, 331098068), (124, 165549034), (217, 94599448), (248, 82774517), (434, 47299724), (868, 23649862), (1736, 11824931), (2719, 7549864), (4349, 4720184), (5438, 3774932), (8698, 2360092), (10876, 1887466), (17396, 1180046), (19033, 1078552), (21752, 943733), (30443, 674312), (34792, 590023), (38066, 539276), (60886, 337156), (76132, 269638), (84289, 243544), (121772, 168578), (134819, 152264)]