20416123010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107453279}}^1$

素因数の和:107453305

約数の個数: 16

約数和(自身を含む): 38683180800

約数和(自身を除く): 18267057790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 107453279, 214906558, 537266395, 1074532790, 2041612301, 4083224602, 10208061505, 20416123010]

約数ペア:

[(1, 20416123010), (2, 10208061505), (5, 4083224602), (10, 2041612301), (19, 1074532790), (38, 537266395), (95, 214906558), (190, 107453279)]