20212976

素因数分解:

$2^4\times 7^1\times {\mathrm{180473}}^1$

素因数の和:180488

約数の個数: 20

約数和(自身を含む): 44757552

約数和(自身を除く): 24544576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180473, 360946, 721892, 1263311, 1443784, 2526622, 2887568, 5053244, 10106488, 20212976]

約数ペア:

[(1, 20212976), (2, 10106488), (4, 5053244), (7, 2887568), (8, 2526622), (14, 1443784), (16, 1263311), (28, 721892), (56, 360946), (112, 180473)]