20282283

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7487}}^1$

素因数の和:7543

約数の個数: 24

約数和(自身を含む): 34265088

約数和(自身を除く): 13982805

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7487, 22461, 52409, 67383, 157227, 321941, 471681, 965823, 2253587, 2897469, 6760761, 20282283]

約数ペア:

[(1, 20282283), (3, 6760761), (7, 2897469), (9, 2253587), (21, 965823), (43, 471681), (63, 321941), (129, 157227), (301, 67383), (387, 52409), (903, 22461), (2709, 7487)]