20880135

素因数分解:

$3^2\times 5^1\times {\mathrm{464003}}^1$

素因数の和:464014

約数の個数: 12

約数和(自身を含む): 36192312

約数和(自身を除く): 15312177

約数列:

[1, 3, 5, 9, 15, 45, 464003, 1392009, 2320015, 4176027, 6960045, 20880135]

約数ペア:

[(1, 20880135), (3, 6960045), (5, 4176027), (9, 2320015), (15, 1392009), (45, 464003)]