20196890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288527}}^1$

素因数の和:288541

約数の個数: 16

約数和(自身を含む): 41548032

約数和(自身を除く): 21351142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288527, 577054, 1442635, 2019689, 2885270, 4039378, 10098445, 20196890]

約数ペア:

[(1, 20196890), (2, 10098445), (5, 4039378), (7, 2885270), (10, 2019689), (14, 1442635), (35, 577054), (70, 288527)]