20754815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 25734240

約数和(自身を除く): 4979425

約数列:

[1, 5, 41, 137, 205, 685, 739, 3695, 5617, 28085, 30299, 101243, 151495, 506215, 4150963, 20754815]

約数ペア:

[(1, 20754815), (5, 4150963), (41, 506215), (137, 151495), (205, 101243), (685, 30299), (739, 28085), (3695, 5617)]