20855277

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{136309}}^1$

素因数の和:136332

約数の個数: 12

約数和(自身を含む): 31896540

約数和(自身を除く): 11041263

約数列:

[1, 3, 9, 17, 51, 153, 136309, 408927, 1226781, 2317253, 6951759, 20855277]

約数ペア:

[(1, 20855277), (3, 6951759), (9, 2317253), (17, 1226781), (51, 408927), (153, 136309)]