2000990905

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1\times {\mathrm{2311}}^1$

素因数の和:3576

約数の個数: 16

約数和(自身を含む): 2419720704

約数和(自身を除く): 418729799

約数列:

[1, 5, 157, 785, 1103, 2311, 5515, 11555, 173171, 362827, 865855, 1814135, 2549033, 12745165, 400198181, 2000990905]

約数ペア:

[(1, 2000990905), (5, 400198181), (157, 12745165), (785, 2549033), (1103, 1814135), (2311, 865855), (5515, 362827), (11555, 173171)]