20147884

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{49871}}^1$

素因数の和:49976

約数の個数: 12

約数和(自身を含む): 35608608

約数和(自身を除く): 15460724

約数列:

[1, 2, 4, 101, 202, 404, 49871, 99742, 199484, 5036971, 10073942, 20147884]

約数ペア:

[(1, 20147884), (2, 10073942), (4, 5036971), (101, 199484), (202, 99742), (404, 49871)]