20797107

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7507533

約数列:

[1, 3, 71, 213, 251, 389, 753, 1167, 17821, 27619, 53463, 82857, 97639, 292917, 6932369, 20797107]

約数ペア:

[(1, 20797107), (3, 6932369), (71, 292917), (213, 97639), (251, 82857), (389, 53463), (753, 27619), (1167, 17821)]