20424200

素因数分解:

$2^3\times 5^2\times {\mathrm{102121}}^1$

素因数の和:102137

約数の個数: 24

約数和(自身を含む): 47486730

約数和(自身を除く): 27062530

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102121, 204242, 408484, 510605, 816968, 1021210, 2042420, 2553025, 4084840, 5106050, 10212100, 20424200]

約数ペア:

[(1, 20424200), (2, 10212100), (4, 5106050), (5, 4084840), (8, 2553025), (10, 2042420), (20, 1021210), (25, 816968), (40, 510605), (50, 408484), (100, 204242), (200, 102121)]