20348727

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1697}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 31080192

約数和(自身を除く): 10731465

約数列:

[1, 3, 7, 21, 571, 1697, 1713, 3997, 5091, 11879, 11991, 35637, 968987, 2906961, 6782909, 20348727]

約数ペア:

[(1, 20348727), (3, 6782909), (7, 2906961), (21, 968987), (571, 35637), (1697, 11991), (1713, 11879), (3997, 5091)]