20310785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9007}}^1$

素因数の和:9064

約数の個数: 16

約数和(自身を含む): 27240192

約数和(自身を除く): 6929407

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9007, 45035, 99077, 369287, 495385, 1846435, 4062157, 20310785]

約数ペア:

[(1, 20310785), (5, 4062157), (11, 1846435), (41, 495385), (55, 369287), (205, 99077), (451, 45035), (2255, 9007)]