20849109

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7027}}^1$

素因数の和:7096

約数の個数: 16

約数和(自身を含む): 29686272

約数和(自身を除く): 8837163

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 7027, 21081, 161621, 302161, 484863, 906483, 6949703, 20849109]

約数ペア:

[(1, 20849109), (3, 6949703), (23, 906483), (43, 484863), (69, 302161), (129, 161621), (989, 21081), (2967, 7027)]