20744022

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 48254976

約数和(自身を除く): 27510954

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 186, 299, 373, 403, 598, 713, 746, 806, 897, 1119, 1209, 1426, 1794, 2139, 2238, 2418, 4278, 4849, 8579, 9269, 9698, 11563, 14547, 17158, 18538, 23126, 25737, 27807, 29094, 34689, 51474, 55614, 69378, 111527, 150319, 223054, 265949, 300638, 334581, 450957, 531898, 669162, 797847, 901914, 1595694, 3457337, 6914674, 10372011, 20744022]

約数ペア:

[(1, 20744022), (2, 10372011), (3, 6914674), (6, 3457337), (13, 1595694), (23, 901914), (26, 797847), (31, 669162), (39, 531898), (46, 450957), (62, 334581), (69, 300638), (78, 265949), (93, 223054), (138, 150319), (186, 111527), (299, 69378), (373, 55614), (403, 51474), (598, 34689), (713, 29094), (746, 27807), (806, 25737), (897, 23126), (1119, 18538), (1209, 17158), (1426, 14547), (1794, 11563), (2139, 9698), (2238, 9269), (2418, 8579), (4278, 4849)]