20484211

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 23969792

約数和(自身を除く): 3485581

約数列:

[1, 11, 31, 43, 121, 127, 341, 473, 1333, 1397, 3751, 3937, 5203, 5461, 14663, 15367, 43307, 60071, 161293, 169291, 476377, 660781, 1862201, 20484211]

約数ペア:

[(1, 20484211), (11, 1862201), (31, 660781), (43, 476377), (121, 169291), (127, 161293), (341, 60071), (473, 43307), (1333, 15367), (1397, 14663), (3751, 5461), (3937, 5203)]