20490618

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^2\times {\mathrm{1847}}^1$

素因数の和:1938

約数の個数: 24

約数和(自身を含む): 41979168

約数和(自身を除く): 21488550

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 1847, 1849, 3694, 3698, 5541, 5547, 11082, 11094, 79421, 158842, 238263, 476526, 3415103, 6830206, 10245309, 20490618]

約数ペア:

[(1, 20490618), (2, 10245309), (3, 6830206), (6, 3415103), (43, 476526), (86, 238263), (129, 158842), (258, 79421), (1847, 11094), (1849, 11082), (3694, 5547), (3698, 5541)]