20187090657

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{217367}}^1$

素因数の和:217997

約数の個数: 24

約数和(自身を含む): 30925380096

約数和(自身を除く): 10738289439

約数列:

[1, 3, 9, 17, 51, 153, 607, 1821, 5463, 10319, 30957, 92871, 217367, 652101, 1956303, 3695239, 11085717, 33257151, 131941769, 395825307, 1187475921, 2243010073, 6729030219, 20187090657]

約数ペア:

[(1, 20187090657), (3, 6729030219), (9, 2243010073), (17, 1187475921), (51, 395825307), (153, 131941769), (607, 33257151), (1821, 11085717), (5463, 3695239), (10319, 1956303), (30957, 652101), (92871, 217367)]