20961728

素因数分解:

$2^6\times {\mathrm{107}}^1\times {\mathrm{3061}}^1$

素因数の和:3180

約数の個数: 28

約数和(自身を含む): 41998392

約数和(自身を除く): 21036664

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 214, 428, 856, 1712, 3061, 3424, 6122, 6848, 12244, 24488, 48976, 97952, 195904, 327527, 655054, 1310108, 2620216, 5240432, 10480864, 20961728]

約数ペア:

[(1, 20961728), (2, 10480864), (4, 5240432), (8, 2620216), (16, 1310108), (32, 655054), (64, 327527), (107, 195904), (214, 97952), (428, 48976), (856, 24488), (1712, 12244), (3061, 6848), (3424, 6122)]