20580978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 24577422

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 199, 398, 597, 1194, 1567, 2189, 3134, 4378, 4701, 6567, 9402, 13134, 17237, 34474, 51711, 103422, 311833, 623666, 935499, 1870998, 3430163, 6860326, 10290489, 20580978]

約数ペア:

[(1, 20580978), (2, 10290489), (3, 6860326), (6, 3430163), (11, 1870998), (22, 935499), (33, 623666), (66, 311833), (199, 103422), (398, 51711), (597, 34474), (1194, 17237), (1567, 13134), (2189, 9402), (3134, 6567), (4378, 4701)]