20007621

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10151}}^1$

素因数の和:10233

約数の個数: 16

約数和(自身を含む): 30049920

約数和(自身を除く): 10042299

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10151, 30453, 91359, 274077, 741023, 2223069, 6669207, 20007621]

約数ペア:

[(1, 20007621), (3, 6669207), (9, 2223069), (27, 741023), (73, 274077), (219, 91359), (657, 30453), (1971, 10151)]