20684668

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{599}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16359332

約数列:

[1, 2, 4, 89, 97, 178, 194, 356, 388, 599, 1198, 2396, 8633, 17266, 34532, 53311, 58103, 106622, 116206, 213244, 232412, 5171167, 10342334, 20684668]

約数ペア:

[(1, 20684668), (2, 10342334), (4, 5171167), (89, 232412), (97, 213244), (178, 116206), (194, 106622), (356, 58103), (388, 53311), (599, 34532), (1198, 17266), (2396, 8633)]