20013963

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3301}}^1$

素因数の和:3394

約数の個数: 16

約数和(自身を含む): 27895296

約数和(自身を除く): 7881333

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3301, 6063, 9903, 141943, 155147, 425829, 465441, 6671321, 20013963]

約数ペア:

[(1, 20013963), (3, 6671321), (43, 465441), (47, 425829), (129, 155147), (141, 141943), (2021, 9903), (3301, 6063)]