20851061

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{937}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 27644736

約数和(自身を除く): 6793675

約数列:

[1, 7, 11, 17, 77, 119, 187, 289, 937, 1309, 2023, 3179, 6559, 10307, 15929, 22253, 72149, 111503, 175219, 270793, 1226533, 1895551, 2978723, 20851061]

約数ペア:

[(1, 20851061), (7, 2978723), (11, 1895551), (17, 1226533), (77, 270793), (119, 175219), (187, 111503), (289, 72149), (937, 22253), (1309, 15929), (2023, 10307), (3179, 6559)]