20512250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7459}}^1$

素因数の和:7487

約数の個数: 32

約数和(自身を含む): 41895360

約数和(自身を除く): 21383110

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7459, 14918, 37295, 74590, 82049, 164098, 186475, 372950, 410245, 820490, 932375, 1864750, 2051225, 4102450, 10256125, 20512250]

約数ペア:

[(1, 20512250), (2, 10256125), (5, 4102450), (10, 2051225), (11, 1864750), (22, 932375), (25, 820490), (50, 410245), (55, 372950), (110, 186475), (125, 164098), (250, 82049), (275, 74590), (550, 37295), (1375, 14918), (2750, 7459)]