20041045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1721}}^1$

素因数の和:1880

約数の個数: 16

約数和(自身を含む): 25664688

約数和(自身を除く): 5623643

約数列:

[1, 5, 17, 85, 137, 685, 1721, 2329, 8605, 11645, 29257, 146285, 235777, 1178885, 4008209, 20041045]

約数ペア:

[(1, 20041045), (5, 4008209), (17, 1178885), (85, 235777), (137, 146285), (685, 29257), (1721, 11645), (2329, 8605)]