20451039

素因数分解:

$3^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1069}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 31226880

約数和(自身を除く): 10775841

約数列:

[1, 3, 7, 21, 911, 1069, 2733, 3207, 6377, 7483, 19131, 22449, 973859, 2921577, 6817013, 20451039]

約数ペア:

[(1, 20451039), (3, 6817013), (7, 2921577), (21, 973859), (911, 22449), (1069, 19131), (2733, 7483), (3207, 6377)]