20195727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2549}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 28560000

約数和(自身を除く): 8364273

約数列:

[1, 3, 19, 57, 139, 417, 2549, 2641, 7647, 7923, 48431, 145293, 354311, 1062933, 6731909, 20195727]

約数ペア:

[(1, 20195727), (3, 6731909), (19, 1062933), (57, 354311), (139, 145293), (417, 48431), (2549, 7923), (2641, 7647)]