20109543

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5062

約数の個数: 16

約数和(自身を含む): 28627200

約数和(自身を除く): 8517657

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4969, 14907, 94411, 283233, 352799, 1058397, 6703181, 20109543]

約数ペア:

[(1, 20109543), (3, 6703181), (19, 1058397), (57, 352799), (71, 283233), (213, 94411), (1349, 14907), (4047, 4969)]