20269593

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7793}}^1$

素因数の和:7833

約数の個数: 18

約数和(自身を含む): 31105854

約数和(自身を除く): 10836261

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7793, 23379, 70137, 132481, 397443, 1192329, 2252177, 6756531, 20269593]

約数ペア:

[(1, 20269593), (3, 6756531), (9, 2252177), (17, 1192329), (51, 397443), (153, 132481), (289, 70137), (867, 23379), (2601, 7793)]