20090300

素因数分解:

$2^2\times 5^2\times {\mathrm{200903}}^1$

素因数の和:200917

約数の個数: 18

約数和(自身を含む): 43596168

約数和(自身を除く): 23505868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200903, 401806, 803612, 1004515, 2009030, 4018060, 5022575, 10045150, 20090300]

約数ペア:

[(1, 20090300), (2, 10045150), (4, 5022575), (5, 4018060), (10, 2009030), (20, 1004515), (25, 803612), (50, 401806), (100, 200903)]