20890793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2797}}^1$

素因数の和:2912

約数の個数: 16

約数和(自身を含む): 26323584

約数和(自身を除く): 5432791

約数列:

[1, 7, 11, 77, 97, 679, 1067, 2797, 7469, 19579, 30767, 215369, 271309, 1899163, 2984399, 20890793]

約数ペア:

[(1, 20890793), (7, 2984399), (11, 1899163), (77, 271309), (97, 215369), (679, 30767), (1067, 19579), (2797, 7469)]