20526609

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3968

約数の個数: 16

約数和(自身を含む): 28695744

約数和(自身を除く): 8169135

約数列:

[1, 3, 41, 43, 123, 129, 1763, 3881, 5289, 11643, 159121, 166883, 477363, 500649, 6842203, 20526609]

約数ペア:

[(1, 20526609), (3, 6842203), (41, 500649), (43, 477363), (123, 166883), (129, 159121), (1763, 11643), (3881, 5289)]