20257400

素因数分解:

$2^3\times 5^2\times {\mathrm{101287}}^1$

素因数の和:101303

約数の個数: 24

約数和(自身を含む): 47098920

約数和(自身を除く): 26841520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101287, 202574, 405148, 506435, 810296, 1012870, 2025740, 2532175, 4051480, 5064350, 10128700, 20257400]

約数ペア:

[(1, 20257400), (2, 10128700), (4, 5064350), (5, 4051480), (8, 2532175), (10, 2025740), (20, 1012870), (25, 810296), (40, 506435), (50, 405148), (100, 202574), (200, 101287)]