20388369

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2213}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 28268352

約数和(自身を除く): 7879983

約数列:

[1, 3, 37, 83, 111, 249, 2213, 3071, 6639, 9213, 81881, 183679, 245643, 551037, 6796123, 20388369]

約数ペア:

[(1, 20388369), (3, 6796123), (37, 551037), (83, 245643), (111, 183679), (249, 81881), (2213, 9213), (3071, 6639)]