20512007199

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{25607999}}^1$

素因数の和:25608094

約数の個数: 12

約数和(自身を含む): 29961360000

約数和(自身を除く): 9449352801

約数列:

[1, 3, 9, 89, 267, 801, 25607999, 76823997, 230471991, 2279111911, 6837335733, 20512007199]

約数ペア:

[(1, 20512007199), (3, 6837335733), (9, 2279111911), (89, 230471991), (267, 76823997), (801, 25607999)]