20444991

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10939}}^1$

素因数の和:11038

約数の個数: 16

約数和(自身を含む): 31507200

約数和(自身を除く): 11062209

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10939, 32817, 76573, 229719, 973571, 2920713, 6814997, 20444991]

約数ペア:

[(1, 20444991), (3, 6814997), (7, 2920713), (21, 973571), (89, 229719), (267, 76573), (623, 32817), (1869, 10939)]