20555195

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4604485

約数列:

[1, 5, 103, 167, 239, 515, 835, 1195, 17201, 24617, 39913, 86005, 123085, 199565, 4111039, 20555195]

約数ペア:

[(1, 20555195), (5, 4111039), (103, 199565), (167, 123085), (239, 86005), (515, 39913), (835, 24617), (1195, 17201)]