200721020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{213533}}^1$

素因数の和:213589

約数の個数: 24

約数和(自身を含む): 430484544

約数和(自身を除く): 229763524

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 213533, 427066, 854132, 1067665, 2135330, 4270660, 10036051, 20072102, 40144204, 50180255, 100360510, 200721020]

約数ペア:

[(1, 200721020), (2, 100360510), (4, 50180255), (5, 40144204), (10, 20072102), (20, 10036051), (47, 4270660), (94, 2135330), (188, 1067665), (235, 854132), (470, 427066), (940, 213533)]