20011347

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4547}}^1$

素因数の和:4719

約数の個数: 16

約数和(自身を含む): 29834880

約数和(自身を除く): 9823533

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4547, 13641, 40923, 122769, 741161, 2223483, 6670449, 20011347]

約数ペア:

[(1, 20011347), (3, 6670449), (9, 2223483), (27, 741161), (163, 122769), (489, 40923), (1467, 13641), (4401, 4547)]