20829483

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 10541493

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 881, 2627, 2643, 7881, 7929, 23643, 32597, 62551, 97791, 187653, 293373, 562959, 2314387, 6943161, 20829483]

約数ペア:

[(1, 20829483), (3, 6943161), (9, 2314387), (37, 562959), (71, 293373), (111, 187653), (213, 97791), (333, 62551), (639, 32597), (881, 23643), (2627, 7929), (2643, 7881)]