20919635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9277}}^1$

素因数の和:9334

約数の個数: 16

約数和(自身を含む): 28056672

約数和(自身を除く): 7137037

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9277, 46385, 102047, 380357, 510235, 1901785, 4183927, 20919635]

約数ペア:

[(1, 20919635), (5, 4183927), (11, 1901785), (41, 510235), (55, 380357), (205, 102047), (451, 46385), (2255, 9277)]