20493112

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 40304880

約数和(自身を除く): 19811768

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 164, 172, 328, 344, 1453, 1763, 2906, 3526, 5812, 7052, 11624, 14104, 59573, 62479, 119146, 124958, 238292, 249916, 476584, 499832, 2561639, 5123278, 10246556, 20493112]

約数ペア:

[(1, 20493112), (2, 10246556), (4, 5123278), (8, 2561639), (41, 499832), (43, 476584), (82, 249916), (86, 238292), (164, 124958), (172, 119146), (328, 62479), (344, 59573), (1453, 14104), (1763, 11624), (2906, 7052), (3526, 5812)]