20578720803

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{537037}}^1$

素因数の和:537334

約数の個数: 16

約数和(自身を含む): 28072050336

約数和(自身を除く): 7493329533

約数列:

[1, 3, 53, 159, 241, 723, 12773, 38319, 537037, 1611111, 28462961, 85388883, 129425917, 388277751, 6859573601, 20578720803]

約数ペア:

[(1, 20578720803), (3, 6859573601), (53, 388277751), (159, 129425917), (241, 85388883), (723, 28462961), (12773, 1611111), (38319, 537037)]