20642655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{125107}}^1$

素因数の和:125126

約数の個数: 16

約数和(自身を含む): 36031104

約数和(自身を除く): 15388449

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 125107, 375321, 625535, 1376177, 1876605, 4128531, 6880885, 20642655]

約数ペア:

[(1, 20642655), (3, 6880885), (5, 4128531), (11, 1876605), (15, 1376177), (33, 625535), (55, 375321), (165, 125107)]