20205290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288647}}^1$

素因数の和:288661

約数の個数: 16

約数和(自身を含む): 41565312

約数和(自身を除く): 21360022

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288647, 577294, 1443235, 2020529, 2886470, 4041058, 10102645, 20205290]

約数ペア:

[(1, 20205290), (2, 10102645), (5, 4041058), (7, 2886470), (10, 2020529), (14, 1443235), (35, 577294), (70, 288647)]