20153820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{335897}}^1$

素因数の和:335909

約数の個数: 24

約数和(自身を含む): 56430864

約数和(自身を除く): 36277044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 335897, 671794, 1007691, 1343588, 1679485, 2015382, 3358970, 4030764, 5038455, 6717940, 10076910, 20153820]

約数ペア:

[(1, 20153820), (2, 10076910), (3, 6717940), (4, 5038455), (5, 4030764), (6, 3358970), (10, 2015382), (12, 1679485), (15, 1343588), (20, 1007691), (30, 671794), (60, 335897)]