20085381

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43759}}^1$

素因数の和:43785

約数の個数: 16

約数和(自身を含む): 31507200

約数和(自身を除く): 11421819

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43759, 131277, 393831, 743903, 1181493, 2231709, 6695127, 20085381]

約数ペア:

[(1, 20085381), (3, 6695127), (9, 2231709), (17, 1181493), (27, 743903), (51, 393831), (153, 131277), (459, 43759)]