20805941429

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5317133}}^1$

素因数の和:5317196

約数の個数: 16

約数和(自身を含む): 26202836352

約数和(自身を除く): 5396894923

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5317133, 37219931, 69122729, 228636719, 483859103, 1600457033, 2972277347, 20805941429]

約数ペア:

[(1, 20805941429), (7, 2972277347), (13, 1600457033), (43, 483859103), (91, 228636719), (301, 69122729), (559, 37219931), (3913, 5317133)]