20567624

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 48608640

約数和(自身を除く): 28041016

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 173, 193, 308, 346, 386, 616, 692, 772, 1211, 1351, 1384, 1544, 1903, 2123, 2422, 2702, 3806, 4246, 4844, 5404, 7612, 8492, 9688, 10808, 13321, 14861, 15224, 16984, 26642, 29722, 33389, 53284, 59444, 66778, 106568, 118888, 133556, 233723, 267112, 367279, 467446, 734558, 934892, 1469116, 1869784, 2570953, 2938232, 5141906, 10283812, 20567624]

約数ペア:

[(1, 20567624), (2, 10283812), (4, 5141906), (7, 2938232), (8, 2570953), (11, 1869784), (14, 1469116), (22, 934892), (28, 734558), (44, 467446), (56, 367279), (77, 267112), (88, 233723), (154, 133556), (173, 118888), (193, 106568), (308, 66778), (346, 59444), (386, 53284), (616, 33389), (692, 29722), (772, 26642), (1211, 16984), (1351, 15224), (1384, 14861), (1544, 13321), (1903, 10808), (2123, 9688), (2422, 8492), (2702, 7612), (3806, 5404), (4246, 4844)]