20852293

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3517}}^1$

素因数の和:3553

約数の個数: 18

約数和(自身を含む): 26669958

約数和(自身を除く): 5817665

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 3517, 5929, 24619, 38687, 172333, 270809, 425557, 1895663, 2978899, 20852293]

約数ペア:

[(1, 20852293), (7, 2978899), (11, 1895663), (49, 425557), (77, 270809), (121, 172333), (539, 38687), (847, 24619), (3517, 5929)]