20187324896

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{772159}}^1$

素因数の和:772231

約数の個数: 48

約数和(自身を含む): 42808550400

約数和(自身を除く): 22621225504

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1376, 1634, 3268, 6536, 13072, 26144, 772159, 1544318, 3088636, 6177272, 12354544, 14671021, 24709088, 29342042, 33202837, 58684084, 66405674, 117368168, 132811348, 234736336, 265622696, 469472672, 531245392, 630853903, 1062490784, 1261707806, 2523415612, 5046831224, 10093662448, 20187324896]

約数ペア:

[(1, 20187324896), (2, 10093662448), (4, 5046831224), (8, 2523415612), (16, 1261707806), (19, 1062490784), (32, 630853903), (38, 531245392), (43, 469472672), (76, 265622696), (86, 234736336), (152, 132811348), (172, 117368168), (304, 66405674), (344, 58684084), (608, 33202837), (688, 29342042), (817, 24709088), (1376, 14671021), (1634, 12354544), (3268, 6177272), (6536, 3088636), (13072, 1544318), (26144, 772159)]