20509401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{757}}^1\times {\mathrm{821}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 29907648

約数和(自身を除く): 9398247

約数列:

[1, 3, 11, 33, 757, 821, 2271, 2463, 8327, 9031, 24981, 27093, 621497, 1864491, 6836467, 20509401]

約数ペア:

[(1, 20509401), (3, 6836467), (11, 1864491), (33, 621497), (757, 27093), (821, 24981), (2271, 9031), (2463, 8327)]