20806616271

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1\times {\mathrm{7577}}^1$

素因数の和:10671

約数の個数: 32

約数和(自身を含む): 32457604608

約数和(自身を除く): 11650988337

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 3041, 7577, 9123, 21287, 22731, 53039, 63861, 130763, 159117, 325811, 392289, 915341, 977433, 2280677, 2746023, 6842031, 23041657, 69124971, 161291599, 483874797, 990791251, 2972373753, 6935538757, 20806616271]

約数ペア:

[(1, 20806616271), (3, 6935538757), (7, 2972373753), (21, 990791251), (43, 483874797), (129, 161291599), (301, 69124971), (903, 23041657), (3041, 6842031), (7577, 2746023), (9123, 2280677), (21287, 977433), (22731, 915341), (53039, 392289), (63861, 325811), (130763, 159117)]