20378834

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3559}}^1$

素因数の和:3977

約数の個数: 16

約数和(自身を含む): 35030400

約数和(自身を除く): 14651566

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3559, 5726, 7118, 24913, 49826, 1455631, 2911262, 10189417, 20378834]

約数ペア:

[(1, 20378834), (2, 10189417), (7, 2911262), (14, 1455631), (409, 49826), (818, 24913), (2863, 7118), (3559, 5726)]