20255175

素因数分解:

$3^2\times 5^2\times {\mathrm{90023}}^1$

素因数の和:90039

約数の個数: 18

約数和(自身を含む): 36279672

約数和(自身を除く): 16024497

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90023, 270069, 450115, 810207, 1350345, 2250575, 4051035, 6751725, 20255175]

約数ペア:

[(1, 20255175), (3, 6751725), (5, 4051035), (9, 2250575), (15, 1350345), (25, 810207), (45, 450115), (75, 270069), (225, 90023)]