20608539

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57727}}^1$

素因数の和:57754

約数の個数: 16

約数和(自身を含む): 33251328

約数和(自身を除く): 12642789

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57727, 173181, 404089, 981359, 1212267, 2944077, 6869513, 20608539]

約数ペア:

[(1, 20608539), (3, 6869513), (7, 2944077), (17, 1212267), (21, 981359), (51, 404089), (119, 173181), (357, 57727)]