20028009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{10009}}^1$

素因数の和:10064

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 8800791

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 10009, 30027, 230207, 290261, 690621, 870783, 6676003, 20028009]

約数ペア:

[(1, 20028009), (3, 6676003), (23, 870783), (29, 690621), (69, 290261), (87, 230207), (667, 30027), (2001, 10009)]