20816458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1319}}^1$

素因数の和:1941

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 12891062

約数列:

[1, 2, 13, 26, 607, 1214, 1319, 2638, 7891, 15782, 17147, 34294, 800633, 1601266, 10408229, 20816458]

約数ペア:

[(1, 20816458), (2, 10408229), (13, 1601266), (26, 800633), (607, 34294), (1214, 17147), (1319, 15782), (2638, 7891)]