20689626146

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1\times {\mathrm{9857}}^1$

素因数の和:10658

約数の個数: 32

約数和(自身を含む): 35659146240

約数和(自身を除く): 14969520094

約数列:

[1, 2, 7, 14, 313, 479, 626, 958, 2191, 3353, 4382, 6706, 9857, 19714, 68999, 137998, 149927, 299854, 1049489, 2098978, 3085241, 4721503, 6170482, 9443006, 21596687, 33050521, 43193374, 66101042, 1477830439, 2955660878, 10344813073, 20689626146]

約数ペア:

[(1, 20689626146), (2, 10344813073), (7, 2955660878), (14, 1477830439), (313, 66101042), (479, 43193374), (626, 33050521), (958, 21596687), (2191, 9443006), (3353, 6170482), (4382, 4721503), (6706, 3085241), (9857, 2098978), (19714, 1049489), (68999, 299854), (137998, 149927)]