20109557

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1384

約数の個数: 16

約数和(自身を含む): 22967280

約数和(自身を除く): 2857723

約数列:

[1, 13, 29, 41, 377, 533, 1189, 1301, 15457, 16913, 37729, 53341, 490477, 693433, 1546889, 20109557]

約数ペア:

[(1, 20109557), (13, 1546889), (29, 693433), (41, 490477), (377, 53341), (533, 37729), (1189, 16913), (1301, 15457)]