19772620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141233}}^1$

素因数の和:141249

約数の個数: 24

約数和(自身を含む): 47454624

約数和(自身を除く): 27682004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141233, 282466, 564932, 706165, 988631, 1412330, 1977262, 2824660, 3954524, 4943155, 9886310, 19772620]

約数ペア:

[(1, 19772620), (2, 9886310), (4, 4943155), (5, 3954524), (7, 2824660), (10, 1977262), (14, 1412330), (20, 988631), (28, 706165), (35, 564932), (70, 282466), (140, 141233)]