20512125207

素因数分解:

$3^3\times 7^1\times {\mathrm{108529763}}^1$

素因数の和:108529779

約数の個数: 16

約数和(自身を含む): 34729524480

約数和(自身を除く): 14217399273

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 108529763, 325589289, 759708341, 976767867, 2279125023, 2930303601, 6837375069, 20512125207]

約数ペア:

[(1, 20512125207), (3, 6837375069), (7, 2930303601), (9, 2279125023), (21, 976767867), (27, 759708341), (63, 325589289), (189, 108529763)]