20670521

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 22998528

約数和(自身を除く): 2328007

約数列:

[1, 17, 31, 61, 527, 643, 1037, 1891, 10931, 19933, 32147, 39223, 338861, 666791, 1215913, 20670521]

約数ペア:

[(1, 20670521), (17, 1215913), (31, 666791), (61, 338861), (527, 39223), (643, 32147), (1037, 19933), (1891, 10931)]