20351265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123341}}^1$

素因数の和:123360

約数の個数: 16

約数和(自身を含む): 35522496

約数和(自身を除く): 15171231

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 123341, 370023, 616705, 1356751, 1850115, 4070253, 6783755, 20351265]

約数ペア:

[(1, 20351265), (3, 6783755), (5, 4070253), (11, 1850115), (15, 1356751), (33, 616705), (55, 370023), (165, 123341)]