20888973081

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{1193}}^1\times {\mathrm{15319}}^1$

素因数の和:16645

約数の個数: 24

約数和(自身を含む): 30438021120

約数和(自身を除く): 9549048039

約数列:

[1, 3, 9, 127, 381, 1143, 1193, 3579, 10737, 15319, 45957, 137871, 151511, 454533, 1363599, 1945513, 5836539, 17509617, 18275567, 54826701, 164480103, 2320997009, 6962991027, 20888973081]

約数ペア:

[(1, 20888973081), (3, 6962991027), (9, 2320997009), (127, 164480103), (381, 54826701), (1143, 18275567), (1193, 17509617), (3579, 5836539), (10737, 1945513), (15319, 1363599), (45957, 454533), (137871, 151511)]