20298321

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{55009}}^1$

素因数の和:55056

約数の個数: 12

約数和(自身を含む): 30035460

約数和(自身を除く): 9737139

約数列:

[1, 3, 9, 41, 123, 369, 55009, 165027, 495081, 2255369, 6766107, 20298321]

約数ペア:

[(1, 20298321), (3, 6766107), (9, 2255369), (41, 495081), (123, 165027), (369, 55009)]