20161754

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10193}}^1$

素因数の和:10261

約数の個数: 16

約数和(自身を含む): 32294592

約数和(自身を除く): 12132838

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10193, 20386, 234439, 438299, 468878, 876598, 10080877, 20161754]

約数ペア:

[(1, 20161754), (2, 10080877), (23, 876598), (43, 468878), (46, 438299), (86, 234439), (989, 20386), (1978, 10193)]