20884725

素因数分解:

$3^2\times 5^2\times {\mathrm{92821}}^1$

素因数の和:92837

約数の個数: 18

約数和(自身を含む): 37407266

約数和(自身を除く): 16522541

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 92821, 278463, 464105, 835389, 1392315, 2320525, 4176945, 6961575, 20884725]

約数ペア:

[(1, 20884725), (3, 6961575), (5, 4176945), (9, 2320525), (15, 1392315), (25, 835389), (45, 464105), (75, 278463), (225, 92821)]