20149858048

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{701}}^1\times {\mathrm{2389}}^1$

素因数の和:3153

約数の個数: 72

約数和(自身を含む): 41152587840

約数和(自身を除く): 21002729792

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 701, 752, 1402, 1504, 2389, 2804, 3008, 4778, 5608, 6016, 9556, 11216, 12032, 19112, 22432, 32947, 38224, 44864, 65894, 76448, 89728, 112283, 131788, 152896, 179456, 224566, 263576, 305792, 449132, 527152, 611584, 898264, 1054304, 1674689, 1796528, 2108608, 3349378, 3593056, 4217216, 6698756, 7186112, 8434432, 13397512, 14372224, 26795024, 28744448, 53590048, 78710383, 107180096, 157420766, 214360192, 314841532, 428720384, 629683064, 1259366128, 2518732256, 5037464512, 10074929024, 20149858048]

約数ペア:

[(1, 20149858048), (2, 10074929024), (4, 5037464512), (8, 2518732256), (16, 1259366128), (32, 629683064), (47, 428720384), (64, 314841532), (94, 214360192), (128, 157420766), (188, 107180096), (256, 78710383), (376, 53590048), (701, 28744448), (752, 26795024), (1402, 14372224), (1504, 13397512), (2389, 8434432), (2804, 7186112), (3008, 6698756), (4778, 4217216), (5608, 3593056), (6016, 3349378), (9556, 2108608), (11216, 1796528), (12032, 1674689), (19112, 1054304), (22432, 898264), (32947, 611584), (38224, 527152), (44864, 449132), (65894, 305792), (76448, 263576), (89728, 224566), (112283, 179456), (131788, 152896)]