20209685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3257}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 26037936

約数和(自身を除く): 5828251

約数列:

[1, 5, 17, 73, 85, 365, 1241, 3257, 6205, 16285, 55369, 237761, 276845, 1188805, 4041937, 20209685]

約数ペア:

[(1, 20209685), (5, 4041937), (17, 1188805), (73, 276845), (85, 237761), (365, 55369), (1241, 16285), (3257, 6205)]