20973848

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1061}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 45113760

約数和(自身を除く): 24139912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1061, 1412, 2122, 2471, 2824, 4244, 4942, 7427, 8488, 9884, 14854, 19768, 29708, 59416, 374533, 749066, 1498132, 2621731, 2996264, 5243462, 10486924, 20973848]

約数ペア:

[(1, 20973848), (2, 10486924), (4, 5243462), (7, 2996264), (8, 2621731), (14, 1498132), (28, 749066), (56, 374533), (353, 59416), (706, 29708), (1061, 19768), (1412, 14854), (2122, 9884), (2471, 8488), (2824, 7427), (4244, 4942)]