20691543

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 28279296

約数和(自身を除く): 7587753

約数列:

[1, 3, 67, 113, 201, 339, 911, 2733, 7571, 22713, 61037, 102943, 183111, 308829, 6897181, 20691543]

約数ペア:

[(1, 20691543), (3, 6897181), (67, 308829), (113, 183111), (201, 102943), (339, 61037), (911, 22713), (2733, 7571)]