20447368

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{111127}}^1$

素因数の和:111156

約数の個数: 16

約数和(自身を含む): 40006080

約数和(自身を除く): 19558712

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 111127, 222254, 444508, 889016, 2555921, 5111842, 10223684, 20447368]

約数ペア:

[(1, 20447368), (2, 10223684), (4, 5111842), (8, 2555921), (23, 889016), (46, 444508), (92, 222254), (184, 111127)]