20064863

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2423}}^1$

素因数の和:2463

約数の個数: 18

約数和(自身を含む): 25284744

約数和(自身を除く): 5219881

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2423, 8281, 16961, 31499, 118727, 220493, 409487, 1543451, 2866409, 20064863]

約数ペア:

[(1, 20064863), (7, 2866409), (13, 1543451), (49, 409487), (91, 220493), (169, 118727), (637, 31499), (1183, 16961), (2423, 8281)]