16570780

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2087}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 34903008

約数和(自身を除く): 18332228

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 2087, 3970, 4174, 7940, 8348, 10435, 20870, 41740, 828539, 1657078, 3314156, 4142695, 8285390, 16570780]

約数ペア:

[(1, 16570780), (2, 8285390), (4, 4142695), (5, 3314156), (10, 1657078), (20, 828539), (397, 41740), (794, 20870), (1588, 10435), (1985, 8348), (2087, 7940), (3970, 4174)]