20118416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66179}}^1$

素因数の和:66206

約数の個数: 20

約数和(自身を含む): 41031600

約数和(自身を除く): 20913184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66179, 132358, 264716, 529432, 1058864, 1257401, 2514802, 5029604, 10059208, 20118416]

約数ペア:

[(1, 20118416), (2, 10059208), (4, 5029604), (8, 2514802), (16, 1257401), (19, 1058864), (38, 529432), (76, 264716), (152, 132358), (304, 66179)]