20325920

素因数分解:

$2^5\times 5^1\times {\mathrm{127037}}^1$

素因数の和:127052

約数の個数: 24

約数和(自身を含む): 48020364

約数和(自身を除く): 27694444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127037, 254074, 508148, 635185, 1016296, 1270370, 2032592, 2540740, 4065184, 5081480, 10162960, 20325920]

約数ペア:

[(1, 20325920), (2, 10162960), (4, 5081480), (5, 4065184), (8, 2540740), (10, 2032592), (16, 1270370), (20, 1016296), (32, 635185), (40, 508148), (80, 254074), (160, 127037)]