20690343

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45077}}^1$

素因数の和:45103

約数の個数: 16

約数和(自身を含む): 32456160

約数和(自身を除く): 11765817

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45077, 135231, 405693, 766309, 1217079, 2298927, 6896781, 20690343]

約数ペア:

[(1, 20690343), (3, 6896781), (9, 2298927), (17, 1217079), (27, 766309), (51, 405693), (153, 135231), (459, 45077)]