20715639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58027}}^1$

素因数の和:58054

約数の個数: 16

約数和(自身を含む): 33424128

約数和(自身を除く): 12708489

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58027, 174081, 406189, 986459, 1218567, 2959377, 6905213, 20715639]

約数ペア:

[(1, 20715639), (3, 6905213), (7, 2959377), (17, 1218567), (21, 986459), (51, 406189), (119, 174081), (357, 58027)]