20570144

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 26132512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 701, 917, 1048, 1402, 1834, 2096, 2804, 3668, 4192, 4907, 5608, 7336, 9814, 11216, 14672, 19628, 22432, 29344, 39256, 78512, 91831, 157024, 183662, 367324, 642817, 734648, 1285634, 1469296, 2571268, 2938592, 5142536, 10285072, 20570144]

約数ペア:

[(1, 20570144), (2, 10285072), (4, 5142536), (7, 2938592), (8, 2571268), (14, 1469296), (16, 1285634), (28, 734648), (32, 642817), (56, 367324), (112, 183662), (131, 157024), (224, 91831), (262, 78512), (524, 39256), (701, 29344), (917, 22432), (1048, 19628), (1402, 14672), (1834, 11216), (2096, 9814), (2804, 7336), (3668, 5608), (4192, 4907)]