20609728

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7489}}^1$

素因数の和:7544

約数の個数: 28

約数和(自身を含む): 41854120

約数和(自身を除く): 21244392

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7489, 14978, 29956, 59912, 119824, 239648, 322027, 479296, 644054, 1288108, 2576216, 5152432, 10304864, 20609728]

約数ペア:

[(1, 20609728), (2, 10304864), (4, 5152432), (8, 2576216), (16, 1288108), (32, 644054), (43, 479296), (64, 322027), (86, 239648), (172, 119824), (344, 59912), (688, 29956), (1376, 14978), (2752, 7489)]