20790745892

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6812171}}^1$

素因数の和:6812291

約数の個数: 24

約数和(自身を含む): 41962979520

約数和(自身を除く): 21172233628

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6812171, 13624342, 27248684, 47685197, 95370394, 190740788, 742526639, 1485053278, 2970106556, 5197686473, 10395372946, 20790745892]

約数ペア:

[(1, 20790745892), (2, 10395372946), (4, 5197686473), (7, 2970106556), (14, 1485053278), (28, 742526639), (109, 190740788), (218, 95370394), (436, 47685197), (763, 27248684), (1526, 13624342), (3052, 6812171)]