20648265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125141}}^1$

素因数の和:125160

約数の個数: 16

約数和(自身を含む): 36040896

約数和(自身を除く): 15392631

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125141, 375423, 625705, 1376551, 1877115, 4129653, 6882755, 20648265]

約数ペア:

[(1, 20648265), (3, 6882755), (5, 4129653), (11, 1877115), (15, 1376551), (33, 625705), (55, 375423), (165, 125141)]