20256621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87691}}^1$

素因数の和:87712

約数の個数: 16

約数和(自身を含む): 33673728

約数和(自身を除く): 13417107

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87691, 263073, 613837, 964601, 1841511, 2893803, 6752207, 20256621]

約数ペア:

[(1, 20256621), (3, 6752207), (7, 2893803), (11, 1841511), (21, 964601), (33, 613837), (77, 263073), (231, 87691)]