201920657

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 225820224

約数和(自身を除く): 23899567

約数列:

[1, 19, 23, 83, 293, 361, 437, 1577, 1909, 5567, 6739, 8303, 24319, 29963, 36271, 105773, 128041, 462061, 559337, 689149, 2432779, 8779159, 10627403, 201920657]

約数ペア:

[(1, 201920657), (19, 10627403), (23, 8779159), (83, 2432779), (293, 689149), (361, 559337), (437, 462061), (1577, 128041), (1909, 105773), (5567, 36271), (6739, 29963), (8303, 24319)]