20375201

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{733}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 26846784

約数和(自身を除く): 6471583

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 733, 1463, 2527, 3971, 5131, 8063, 13927, 27797, 56441, 97489, 153197, 264613, 1072379, 1852291, 2910743, 20375201]

約数ペア:

[(1, 20375201), (7, 2910743), (11, 1852291), (19, 1072379), (77, 264613), (133, 153197), (209, 97489), (361, 56441), (733, 27797), (1463, 13927), (2527, 8063), (3971, 5131)]