20754244

素因数分解:

$2^2\times 7^4\times {\mathrm{2161}}^1$

素因数の和:2193

約数の個数: 30

約数和(自身を含む): 42390334

約数和(自身を除く): 21636090

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2161, 2401, 4322, 4802, 8644, 9604, 15127, 30254, 60508, 105889, 211778, 423556, 741223, 1482446, 2964892, 5188561, 10377122, 20754244]

約数ペア:

[(1, 20754244), (2, 10377122), (4, 5188561), (7, 2964892), (14, 1482446), (28, 741223), (49, 423556), (98, 211778), (196, 105889), (343, 60508), (686, 30254), (1372, 15127), (2161, 9604), (2401, 8644), (4322, 4802)]