20797931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8713}}^1$

素因数の和:8762

約数の個数: 16

約数和(自身を含む): 26769408

約数和(自身を除く): 5971477

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8713, 60991, 95843, 270103, 670901, 1890721, 2971133, 20797931]

約数ペア:

[(1, 20797931), (7, 2971133), (11, 1890721), (31, 670901), (77, 270103), (217, 95843), (341, 60991), (2387, 8713)]