20687086

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{937}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 37820160

約数和(自身を除く): 17133074

約数列:

[1, 2, 7, 14, 19, 38, 83, 133, 166, 266, 581, 937, 1162, 1577, 1874, 3154, 6559, 11039, 13118, 17803, 22078, 35606, 77771, 124621, 155542, 249242, 544397, 1088794, 1477649, 2955298, 10343543, 20687086]

約数ペア:

[(1, 20687086), (2, 10343543), (7, 2955298), (14, 1477649), (19, 1088794), (38, 544397), (83, 249242), (133, 155542), (166, 124621), (266, 77771), (581, 35606), (937, 22078), (1162, 17803), (1577, 13118), (1874, 11039), (3154, 6559)]