20682245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 25592112

約数和(自身を除く): 4909867

約数列:

[1, 5, 41, 205, 233, 433, 1165, 2165, 9553, 17753, 47765, 88765, 100889, 504445, 4136449, 20682245]

約数ペア:

[(1, 20682245), (5, 4136449), (41, 504445), (205, 100889), (233, 88765), (433, 47765), (1165, 17753), (2165, 9553)]