20209580780

素因数分解:

$2^2\times 5^1\times {\mathrm{11177}}^1\times {\mathrm{90407}}^1$

素因数の和:101593

約数の個数: 24

約数和(自身を含む): 42444386208

約数和(自身を除く): 22234805428

約数列:

[1, 2, 4, 5, 10, 20, 11177, 22354, 44708, 55885, 90407, 111770, 180814, 223540, 361628, 452035, 904070, 1808140, 1010479039, 2020958078, 4041916156, 5052395195, 10104790390, 20209580780]

約数ペア:

[(1, 20209580780), (2, 10104790390), (4, 5052395195), (5, 4041916156), (10, 2020958078), (20, 1010479039), (11177, 1808140), (22354, 904070), (44708, 452035), (55885, 361628), (90407, 223540), (111770, 180814)]