20836143

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20857}}^1$

素因数の和:20903

約数の個数: 16

約数和(自身を含む): 31704160

約数和(自身を除く): 10868017

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20857, 62571, 187713, 563139, 771709, 2315127, 6945381, 20836143]

約数ペア:

[(1, 20836143), (3, 6945381), (9, 2315127), (27, 771709), (37, 563139), (111, 187713), (333, 62571), (999, 20857)]