20249265

素因数分解:

$3^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1609}}^1$

素因数の和:2456

約数の個数: 16

約数和(自身を含む): 32457600

約数和(自身を除く): 12208335

約数列:

[1, 3, 5, 15, 839, 1609, 2517, 4195, 4827, 8045, 12585, 24135, 1349951, 4049853, 6749755, 20249265]

約数ペア:

[(1, 20249265), (3, 6749755), (5, 4049853), (15, 1349951), (839, 24135), (1609, 12585), (2517, 8045), (4195, 4827)]