20039253

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7237}}^1$

素因数の和:7324

約数の個数: 16

約数和(自身を含む): 29183616

約数和(自身を除く): 9144363

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7237, 21711, 94081, 282243, 513827, 1541481, 6679751, 20039253]

約数ペア:

[(1, 20039253), (3, 6679751), (13, 1541481), (39, 513827), (71, 282243), (213, 94081), (923, 21711), (2769, 7237)]