20398630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{673}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 42122304

約数和(自身を除く): 21723674

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 673, 866, 1346, 2165, 3031, 3365, 4330, 4711, 6062, 6730, 9422, 15155, 23555, 30310, 47110, 291409, 582818, 1457045, 2039863, 2914090, 4079726, 10199315, 20398630]

約数ペア:

[(1, 20398630), (2, 10199315), (5, 4079726), (7, 2914090), (10, 2039863), (14, 1457045), (35, 582818), (70, 291409), (433, 47110), (673, 30310), (866, 23555), (1346, 15155), (2165, 9422), (3031, 6730), (3365, 6062), (4330, 4711)]