20080053

素因数分解:

$3^2\times 7^2\times {\mathrm{45533}}^1$

素因数の和:45553

約数の個数: 18

約数和(自身を含む): 33740694

約数和(自身を除く): 13660641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45533, 136599, 318731, 409797, 956193, 2231117, 2868579, 6693351, 20080053]

約数ペア:

[(1, 20080053), (3, 6693351), (7, 2868579), (9, 2231117), (21, 956193), (49, 409797), (63, 318731), (147, 136599), (441, 45533)]