20283777

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3527}}^1$

素因数の和:3610

約数の個数: 20

約数和(自身を含む): 30735936

約数和(自身を除く): 10452159

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3527, 5751, 10581, 31743, 95229, 250417, 285687, 751251, 2253753, 6761259, 20283777]

約数ペア:

[(1, 20283777), (3, 6761259), (9, 2253753), (27, 751251), (71, 285687), (81, 250417), (213, 95229), (639, 31743), (1917, 10581), (3527, 5751)]