20528068484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{687109}}^1$

素因数の和:687228

約数の個数: 48

約数和(自身を含む): 45250316160

約数和(自身を除く): 24722247676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 679, 1067, 1358, 2134, 2716, 4268, 7469, 14938, 29876, 687109, 1374218, 2748436, 4809763, 7558199, 9619526, 15116398, 19239052, 30232796, 52907393, 66649573, 105814786, 133299146, 211629572, 266598292, 466547011, 733145303, 933094022, 1466290606, 1866188044, 2932581212, 5132017121, 10264034242, 20528068484]

約数ペア:

[(1, 20528068484), (2, 10264034242), (4, 5132017121), (7, 2932581212), (11, 1866188044), (14, 1466290606), (22, 933094022), (28, 733145303), (44, 466547011), (77, 266598292), (97, 211629572), (154, 133299146), (194, 105814786), (308, 66649573), (388, 52907393), (679, 30232796), (1067, 19239052), (1358, 15116398), (2134, 9619526), (2716, 7558199), (4268, 4809763), (7469, 2748436), (14938, 1374218), (29876, 687109)]