20416915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{599}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 26049600

約数和(自身を除く): 5632685

約数列:

[1, 5, 17, 85, 401, 599, 2005, 2995, 6817, 10183, 34085, 50915, 240199, 1200995, 4083383, 20416915]

約数ペア:

[(1, 20416915), (5, 4083383), (17, 1200995), (85, 240199), (401, 50915), (599, 34085), (2005, 10183), (2995, 6817)]