20882260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149159}}^1$

素因数の和:149175

約数の個数: 24

約数和(自身を含む): 50117760

約数和(自身を除く): 29235500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149159, 298318, 596636, 745795, 1044113, 1491590, 2088226, 2983180, 4176452, 5220565, 10441130, 20882260]

約数ペア:

[(1, 20882260), (2, 10441130), (4, 5220565), (5, 4176452), (7, 2983180), (10, 2088226), (14, 1491590), (20, 1044113), (28, 745795), (35, 596636), (70, 298318), (140, 149159)]