20472774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{487447}}^1$

素因数の和:487459

約数の個数: 16

約数和(自身を含む): 46795008

約数和(自身を除く): 26322234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 487447, 974894, 1462341, 2924682, 3412129, 6824258, 10236387, 20472774]

約数ペア:

[(1, 20472774), (2, 10236387), (3, 6824258), (6, 3412129), (7, 2924682), (14, 1462341), (21, 974894), (42, 487447)]