20320605

素因数分解:

$3^3\times 5^1\times {\mathrm{150523}}^1$

素因数の和:150537

約数の個数: 16

約数和(自身を含む): 36125760

約数和(自身を除く): 15805155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 150523, 451569, 752615, 1354707, 2257845, 4064121, 6773535, 20320605]

約数ペア:

[(1, 20320605), (3, 6773535), (5, 4064121), (9, 2257845), (15, 1354707), (27, 752615), (45, 451569), (135, 150523)]