20198570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288551}}^1$

素因数の和:288565

約数の個数: 16

約数和(自身を含む): 41551488

約数和(自身を除く): 21352918

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288551, 577102, 1442755, 2019857, 2885510, 4039714, 10099285, 20198570]

約数ペア:

[(1, 20198570), (2, 10099285), (5, 4039714), (7, 2885510), (10, 2019857), (14, 1442755), (35, 577102), (70, 288551)]