20679565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2153}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 26520048

約数和(自身を除く): 5840483

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2153, 9605, 10765, 36601, 183005, 243289, 1216445, 4135913, 20679565]

約数ペア:

[(1, 20679565), (5, 4135913), (17, 1216445), (85, 243289), (113, 183005), (565, 36601), (1921, 10765), (2153, 9605)]