20892897

素因数分解:

$3^5\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 31589376

約数和(自身を除く): 10696479

約数列:

[1, 3, 9, 27, 81, 127, 243, 381, 677, 1143, 2031, 3429, 6093, 10287, 18279, 30861, 54837, 85979, 164511, 257937, 773811, 2321433, 6964299, 20892897]

約数ペア:

[(1, 20892897), (3, 6964299), (9, 2321433), (27, 773811), (81, 257937), (127, 164511), (243, 85979), (381, 54837), (677, 30861), (1143, 18279), (2031, 10287), (3429, 6093)]