20998736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119311}}^1$

素因数の和:119330

約数の個数: 20

約数和(自身を含む): 44384064

約数和(自身を除く): 23385328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119311, 238622, 477244, 954488, 1312421, 1908976, 2624842, 5249684, 10499368, 20998736]

約数ペア:

[(1, 20998736), (2, 10499368), (4, 5249684), (8, 2624842), (11, 1908976), (16, 1312421), (22, 954488), (44, 477244), (88, 238622), (176, 119311)]