20085.0000000

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{10903}}^1$

素因数の和:10998

約数の個数: 12

約数和(自身を含む): 12757680

約数和(自身を除く): 4024377

約数列:

[1, 3, 9, 89, 267, 801, 10903, 32709, 98127, 970367, 2911101, 8733303]

約数ペア:

[(1, 8733303), (3, 2911101), (9, 970367), (89, 98127), (267, 32709), (801, 10903)]