20016597

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 27205632

約数和(自身を除く): 7189035

約数列:

[1, 3, 107, 127, 321, 381, 491, 1473, 13589, 40767, 52537, 62357, 157611, 187071, 6672199, 20016597]

約数ペア:

[(1, 20016597), (3, 6672199), (107, 187071), (127, 157611), (321, 62357), (381, 52537), (491, 40767), (1473, 13589)]