20709136

素因数分解:

$2^4\times 7^1\times {\mathrm{184903}}^1$

素因数の和:184918

約数の個数: 20

約数和(自身を含む): 45856192

約数和(自身を除く): 25147056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184903, 369806, 739612, 1294321, 1479224, 2588642, 2958448, 5177284, 10354568, 20709136]

約数ペア:

[(1, 20709136), (2, 10354568), (4, 5177284), (7, 2958448), (8, 2588642), (14, 1479224), (16, 1294321), (28, 739612), (56, 369806), (112, 184903)]