20065239

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 30506112

約数和(自身を除く): 10440873

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 1163, 1917, 3489, 5751, 10467, 17253, 31401, 82573, 94203, 247719, 282609, 743157, 2229471, 6688413, 20065239]

約数ペア:

[(1, 20065239), (3, 6688413), (9, 2229471), (27, 743157), (71, 282609), (81, 247719), (213, 94203), (243, 82573), (639, 31401), (1163, 17253), (1917, 10467), (3489, 5751)]