20419441

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 23855104

約数和(自身を除く): 3435663

約数列:

[1, 7, 103, 127, 223, 721, 889, 1561, 13081, 22969, 28321, 91567, 160783, 198247, 2917063, 20419441]

約数ペア:

[(1, 20419441), (7, 2917063), (103, 198247), (127, 160783), (223, 91567), (721, 28321), (889, 22969), (1561, 13081)]