20207799

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1116

約数の個数: 20

約数和(自身を含む): 30320664

約数和(自身を除く): 10112865

約数列:

[1, 3, 9, 27, 81, 317, 787, 951, 2361, 2853, 7083, 8559, 21249, 25677, 63747, 249479, 748437, 2245311, 6735933, 20207799]

約数ペア:

[(1, 20207799), (3, 6735933), (9, 2245311), (27, 748437), (81, 249479), (317, 63747), (787, 25677), (951, 21249), (2361, 8559), (2853, 7083)]