20776567

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7591}}^1$

素因数の和:7638

約数の個数: 16

約数和(自身を含む): 26237952

約数和(自身を除く): 5461385

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7591, 53137, 129047, 174593, 903329, 1222151, 2968081, 20776567]

約数ペア:

[(1, 20776567), (7, 2968081), (17, 1222151), (23, 903329), (119, 174593), (161, 129047), (391, 53137), (2737, 7591)]