20316947

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{883}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 24610560

約数和(自身を除く): 4293613

約数列:

[1, 7, 19, 133, 173, 883, 1211, 3287, 6181, 16777, 23009, 117439, 152759, 1069313, 2902421, 20316947]

約数ペア:

[(1, 20316947), (7, 2902421), (19, 1069313), (133, 152759), (173, 117439), (883, 23009), (1211, 16777), (3287, 6181)]