20215431159

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{418721}}^1$

素因数の和:418772

約数の個数: 48

約数和(自身を含む): 35641616640

約数和(自身を除く): 15426185481

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 399, 627, 847, 1463, 2299, 2541, 4389, 6897, 16093, 48279, 418721, 1256163, 2931047, 4605931, 7955699, 8793141, 13817793, 23867097, 32241517, 50665241, 55689893, 87512689, 96724551, 151995723, 167069679, 262538067, 354656687, 612588823, 962639579, 1063970061, 1837766469, 2887918737, 6738477053, 20215431159]

約数ペア:

[(1, 20215431159), (3, 6738477053), (7, 2887918737), (11, 1837766469), (19, 1063970061), (21, 962639579), (33, 612588823), (57, 354656687), (77, 262538067), (121, 167069679), (133, 151995723), (209, 96724551), (231, 87512689), (363, 55689893), (399, 50665241), (627, 32241517), (847, 23867097), (1463, 13817793), (2299, 8793141), (2541, 7955699), (4389, 4605931), (6897, 2931047), (16093, 1256163), (48279, 418721)]