19985820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333097}}^1$

素因数の和:333109

約数の個数: 24

約数和(自身を含む): 55960464

約数和(自身を除く): 35974644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333097, 666194, 999291, 1332388, 1665485, 1998582, 3330970, 3997164, 4996455, 6661940, 9992910, 19985820]

約数ペア:

[(1, 19985820), (2, 9992910), (3, 6661940), (4, 4996455), (5, 3997164), (6, 3330970), (10, 1998582), (12, 1665485), (15, 1332388), (20, 999291), (30, 666194), (60, 333097)]