20640345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125093}}^1$

素因数の和:125112

約数の個数: 16

約数和(自身を含む): 36027072

約数和(自身を除く): 15386727

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125093, 375279, 625465, 1376023, 1876395, 4128069, 6880115, 20640345]

約数ペア:

[(1, 20640345), (3, 6880115), (5, 4128069), (11, 1876395), (15, 1376023), (33, 625465), (55, 375279), (165, 125093)]