20177290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288247}}^1$

素因数の和:288261

約数の個数: 16

約数和(自身を含む): 41507712

約数和(自身を除く): 21330422

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288247, 576494, 1441235, 2017729, 2882470, 4035458, 10088645, 20177290]

約数ペア:

[(1, 20177290), (2, 10088645), (5, 4035458), (7, 2882470), (10, 2017729), (14, 1441235), (35, 576494), (70, 288247)]