20416293

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1218

約数の個数: 20

約数和(自身を含む): 30644460

約数和(自身を除く): 10228167

約数列:

[1, 3, 9, 27, 81, 269, 807, 937, 2421, 2811, 7263, 8433, 21789, 25299, 75897, 252053, 756159, 2268477, 6805431, 20416293]

約数ペア:

[(1, 20416293), (3, 6805431), (9, 2268477), (27, 756159), (81, 252053), (269, 75897), (807, 25299), (937, 21789), (2421, 8433), (2811, 7263)]