20772268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10979}}^1$

素因数の和:11037

約数の個数: 24

約数和(自身を含む): 40582080

約数和(自身を除く): 19809812

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10979, 21958, 43916, 120769, 241538, 472097, 483076, 944194, 1888388, 5193067, 10386134, 20772268]

約数ペア:

[(1, 20772268), (2, 10386134), (4, 5193067), (11, 1888388), (22, 944194), (43, 483076), (44, 472097), (86, 241538), (172, 120769), (473, 43916), (946, 21958), (1892, 10979)]