201372020

素因数分解:

$2^2\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{5647}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 423193344

約数和(自身を除く): 221821324

約数列:

[1, 2, 4, 5, 10, 20, 1783, 3566, 5647, 7132, 8915, 11294, 17830, 22588, 28235, 35660, 56470, 112940, 10068601, 20137202, 40274404, 50343005, 100686010, 201372020]

約数ペア:

[(1, 201372020), (2, 100686010), (4, 50343005), (5, 40274404), (10, 20137202), (20, 10068601), (1783, 112940), (3566, 56470), (5647, 35660), (7132, 28235), (8915, 22588), (11294, 17830)]