20603605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3637}}^1$

素因数の和:3756

約数の個数: 16

約数和(自身を含む): 27241344

約数和(自身を除く): 6637739

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3637, 5665, 18185, 40007, 200035, 374611, 1873055, 4120721, 20603605]

約数ペア:

[(1, 20603605), (5, 4120721), (11, 1873055), (55, 374611), (103, 200035), (515, 40007), (1133, 18185), (3637, 5665)]