20773991

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{18433}}^1$

素因数の和:18470

約数の個数: 12

約数和(自身を含む): 25217712

約数和(自身を除く): 4443721

約数列:

[1, 7, 23, 49, 161, 1127, 18433, 129031, 423959, 903217, 2967713, 20773991]

約数ペア:

[(1, 20773991), (7, 2967713), (23, 903217), (49, 423959), (161, 129031), (1127, 18433)]