20711765

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 25837056

約数和(自身を除く): 5125291

約数列:

[1, 5, 41, 71, 205, 355, 1423, 2911, 7115, 14555, 58343, 101033, 291715, 505165, 4142353, 20711765]

約数ペア:

[(1, 20711765), (5, 4142353), (41, 505165), (71, 291715), (205, 101033), (355, 58343), (1423, 14555), (2911, 7115)]