20879215

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{10111}}^1$

素因数の和:10182

約数の個数: 16

約数和(自身を含む): 29122560

約数和(自身を除く): 8243345

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 10111, 50555, 70777, 353885, 596549, 2982745, 4175843, 20879215]

約数ペア:

[(1, 20879215), (5, 4175843), (7, 2982745), (35, 596549), (59, 353885), (295, 70777), (413, 50555), (2065, 10111)]