20863359

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 33984000

約数和(自身を除く): 13120641

約数列:

[1, 3, 9, 11, 27, 33, 99, 199, 297, 353, 597, 1059, 1791, 2189, 3177, 3883, 5373, 6567, 9531, 11649, 19701, 34947, 59103, 70247, 104841, 210741, 632223, 772717, 1896669, 2318151, 6954453, 20863359]

約数ペア:

[(1, 20863359), (3, 6954453), (9, 2318151), (11, 1896669), (27, 772717), (33, 632223), (99, 210741), (199, 104841), (297, 70247), (353, 59103), (597, 34947), (1059, 19701), (1791, 11649), (2189, 9531), (3177, 6567), (3883, 5373)]