20237513471

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{17681}}^1$

素因数の和:17820

約数の個数: 32

約数和(自身を含む): 24443596800

約数和(自身を除く): 4206083329

約数列:

[1, 7, 47, 49, 71, 329, 343, 497, 2303, 3337, 3479, 16121, 17681, 23359, 24353, 123767, 163513, 831007, 866369, 1144591, 1255351, 5817049, 6064583, 8787457, 40719343, 59001497, 61512199, 285035401, 413010479, 430585393, 2891073353, 20237513471]

約数ペア:

[(1, 20237513471), (7, 2891073353), (47, 430585393), (49, 413010479), (71, 285035401), (329, 61512199), (343, 59001497), (497, 40719343), (2303, 8787457), (3337, 6064583), (3479, 5817049), (16121, 1255351), (17681, 1144591), (23359, 866369), (24353, 831007), (123767, 163513)]