20049903

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10459}}^1$

素因数の和:10539

約数の個数: 16

約数和(自身を含む): 30124800

約数和(自身を除く): 10074897

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10459, 31377, 94131, 282393, 742589, 2227767, 6683301, 20049903]

約数ペア:

[(1, 20049903), (3, 6683301), (9, 2227767), (27, 742589), (71, 282393), (213, 94131), (639, 31377), (1917, 10459)]