20639226

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79997}}^1$

素因数の和:80045

約数の個数: 16

約数和(自身を含む): 42238944

約数和(自身を除く): 21599718

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 79997, 159994, 239991, 479982, 3439871, 6879742, 10319613, 20639226]

約数ペア:

[(1, 20639226), (2, 10319613), (3, 6879742), (6, 3439871), (43, 479982), (86, 239991), (129, 159994), (258, 79997)]