20201155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1861}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 26276544

約数和(自身を除く): 6075389

約数列:

[1, 5, 13, 65, 167, 835, 1861, 2171, 9305, 10855, 24193, 120965, 310787, 1553935, 4040231, 20201155]

約数ペア:

[(1, 20201155), (5, 4040231), (13, 1553935), (65, 310787), (167, 120965), (835, 24193), (1861, 10855), (2171, 9305)]