20255728

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5297}}^1$

素因数の和:5544

約数の個数: 20

約数和(自身を含む): 39417120

約数和(自身を除く): 19161392

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5297, 10594, 21188, 42376, 84752, 1265983, 2531966, 5063932, 10127864, 20255728]

約数ペア:

[(1, 20255728), (2, 10127864), (4, 5063932), (8, 2531966), (16, 1265983), (239, 84752), (478, 42376), (956, 21188), (1912, 10594), (3824, 5297)]