20604861

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 31037952

約数和(自身を除く): 10433091

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 2003, 3429, 6009, 10287, 18027, 54081, 162243, 254381, 763143, 2289429, 6868287, 20604861]

約数ペア:

[(1, 20604861), (3, 6868287), (9, 2289429), (27, 763143), (81, 254381), (127, 162243), (381, 54081), (1143, 18027), (2003, 10287), (3429, 6009)]