20379212

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1621}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 40874400

約数和(自身を除く): 20495188

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1621, 1796, 3143, 3242, 6286, 6484, 11347, 12572, 22694, 45388, 727829, 1455658, 2911316, 5094803, 10189606, 20379212]

約数ペア:

[(1, 20379212), (2, 10189606), (4, 5094803), (7, 2911316), (14, 1455658), (28, 727829), (449, 45388), (898, 22694), (1621, 12572), (1796, 11347), (3143, 6484), (3242, 6286)]