20814905

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1907}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 26101440

約数和(自身を除く): 5286535

約数列:

[1, 5, 37, 59, 185, 295, 1907, 2183, 9535, 10915, 70559, 112513, 352795, 562565, 4162981, 20814905]

約数ペア:

[(1, 20814905), (5, 4162981), (37, 562565), (59, 352795), (185, 112513), (295, 70559), (1907, 10915), (2183, 9535)]