20492983

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 24234496

約数和(自身を除く): 3741513

約数列:

[1, 7, 43, 103, 301, 661, 721, 4429, 4627, 28423, 31003, 68083, 198961, 476581, 2927569, 20492983]

約数ペア:

[(1, 20492983), (7, 2927569), (43, 476581), (103, 198961), (301, 68083), (661, 31003), (721, 28423), (4429, 4627)]