20837222768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2207}}^1\times {\mathrm{13723}}^1$

素因数の和:15981

約数の個数: 40

約数和(自身を含む): 41332735488

約数和(自身を除く): 20495512720

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2207, 4414, 8828, 13723, 17656, 27446, 35312, 54892, 94901, 109784, 189802, 219568, 379604, 590089, 759208, 1180178, 1518416, 2360356, 4720712, 9441424, 30286661, 60573322, 121146644, 242293288, 484586576, 1302326423, 2604652846, 5209305692, 10418611384, 20837222768]

約数ペア:

[(1, 20837222768), (2, 10418611384), (4, 5209305692), (8, 2604652846), (16, 1302326423), (43, 484586576), (86, 242293288), (172, 121146644), (344, 60573322), (688, 30286661), (2207, 9441424), (4414, 4720712), (8828, 2360356), (13723, 1518416), (17656, 1180178), (27446, 759208), (35312, 590089), (54892, 379604), (94901, 219568), (109784, 189802)]