20996824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20863976

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 1291, 2033, 2582, 4066, 5164, 8132, 10328, 16264, 24529, 49058, 98116, 138137, 196232, 276274, 552548, 1105096, 2624603, 5249206, 10498412, 20996824]

約数ペア:

[(1, 20996824), (2, 10498412), (4, 5249206), (8, 2624603), (19, 1105096), (38, 552548), (76, 276274), (107, 196232), (152, 138137), (214, 98116), (428, 49058), (856, 24529), (1291, 16264), (2033, 10328), (2582, 8132), (4066, 5164)]