20450792

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19012408

約数列:

[1, 2, 4, 8, 53, 106, 139, 212, 278, 347, 424, 556, 694, 1112, 1388, 2776, 7367, 14734, 18391, 29468, 36782, 48233, 58936, 73564, 96466, 147128, 192932, 385864, 2556349, 5112698, 10225396, 20450792]

約数ペア:

[(1, 20450792), (2, 10225396), (4, 5112698), (8, 2556349), (53, 385864), (106, 192932), (139, 147128), (212, 96466), (278, 73564), (347, 58936), (424, 48233), (556, 36782), (694, 29468), (1112, 18391), (1388, 14734), (2776, 7367)]