20251745

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 25062912

約数和(自身を除く): 4811167

約数列:

[1, 5, 41, 205, 223, 443, 1115, 2215, 9143, 18163, 45715, 90815, 98789, 493945, 4050349, 20251745]

約数ペア:

[(1, 20251745), (5, 4050349), (41, 493945), (205, 98789), (223, 90815), (443, 45715), (1115, 18163), (2215, 9143)]