20440119

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13709}}^1$

素因数の和:13790

約数の個数: 16

約数和(自身を含む): 31587840

約数和(自身を除く): 11147721

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13709, 41127, 95963, 287889, 973339, 2920017, 6813373, 20440119]

約数ペア:

[(1, 20440119), (3, 6813373), (7, 2920017), (21, 973339), (71, 287889), (213, 95963), (497, 41127), (1491, 13709)]