20387455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9041}}^1$

素因数の和:9098

約数の個数: 16

約数和(自身を含む): 27343008

約数和(自身を除く): 6955553

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9041, 45205, 99451, 370681, 497255, 1853405, 4077491, 20387455]

約数ペア:

[(1, 20387455), (5, 4077491), (11, 1853405), (41, 497255), (55, 370681), (205, 99451), (451, 45205), (2255, 9041)]