20940874

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:701

約数の個数: 16

約数和(自身を含む): 31876416

約数和(自身を除く): 10935542

約数列:

[1, 2, 131, 257, 262, 311, 514, 622, 33667, 40741, 67334, 79927, 81482, 159854, 10470437, 20940874]

約数ペア:

[(1, 20940874), (2, 10470437), (131, 159854), (257, 81482), (262, 79927), (311, 67334), (514, 40741), (622, 33667)]