20172895804

素因数分解:

$2^2\times {\mathrm{20981}}^1\times {\mathrm{240371}}^1$

素因数の和:261356

約数の個数: 12

約数和(自身を含む): 35304397128

約数和(自身を除く): 15131501324

約数列:

[1, 2, 4, 20981, 41962, 83924, 240371, 480742, 961484, 5043223951, 10086447902, 20172895804]

約数ペア:

[(1, 20172895804), (2, 10086447902), (4, 5043223951), (20981, 961484), (41962, 480742), (83924, 240371)]