20109561

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 27623424

約数和(自身を除く): 7513863

約数列:

[1, 3, 47, 127, 141, 381, 1123, 3369, 5969, 17907, 52781, 142621, 158343, 427863, 6703187, 20109561]

約数ペア:

[(1, 20109561), (3, 6703187), (47, 427863), (127, 158343), (141, 142621), (381, 52781), (1123, 17907), (3369, 5969)]