20007986

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3187}}^1$

素因数の和:3305

約数の個数: 16

約数和(自身を含む): 31140384

約数和(自身を除く): 11132398

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3187, 6278, 6374, 137041, 232651, 274082, 465302, 10003993, 20007986]

約数ペア:

[(1, 20007986), (2, 10003993), (43, 465302), (73, 274082), (86, 232651), (146, 137041), (3139, 6374), (3187, 6278)]