20204460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112247}}^1$

素因数の和:112262

約数の個数: 36

約数和(自身を含む): 61287408

約数和(自身を除く): 41082948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112247, 224494, 336741, 448988, 561235, 673482, 1010223, 1122470, 1346964, 1683705, 2020446, 2244940, 3367410, 4040892, 5051115, 6734820, 10102230, 20204460]

約数ペア:

[(1, 20204460), (2, 10102230), (3, 6734820), (4, 5051115), (5, 4040892), (6, 3367410), (9, 2244940), (10, 2020446), (12, 1683705), (15, 1346964), (18, 1122470), (20, 1010223), (30, 673482), (36, 561235), (45, 448988), (60, 336741), (90, 224494), (180, 112247)]