19773740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141241}}^1$

素因数の和:141257

約数の個数: 24

約数和(自身を含む): 47457312

約数和(自身を除く): 27683572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141241, 282482, 564964, 706205, 988687, 1412410, 1977374, 2824820, 3954748, 4943435, 9886870, 19773740]

約数ペア:

[(1, 19773740), (2, 9886870), (4, 4943435), (5, 3954748), (7, 2824820), (10, 1977374), (14, 1412410), (20, 988687), (28, 706205), (35, 564964), (70, 282482), (140, 141241)]