20625495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125003}}^1$

素因数の和:125022

約数の個数: 16

約数和(自身を含む): 36001152

約数和(自身を除く): 15375657

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125003, 375009, 625015, 1375033, 1875045, 4125099, 6875165, 20625495]

約数ペア:

[(1, 20625495), (3, 6875165), (5, 4125099), (11, 1875045), (15, 1375033), (33, 625015), (55, 375009), (165, 125003)]