20676009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4969}}^1$

素因数の和:5064

約数の個数: 16

約数和(自身を含む): 29422400

約数和(自身を除く): 8746391

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4969, 14907, 94411, 283233, 362737, 1088211, 6892003, 20676009]

約数ペア:

[(1, 20676009), (3, 6892003), (19, 1088211), (57, 362737), (73, 283233), (219, 94411), (1387, 14907), (4161, 4969)]