20185484980

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{960299}}^1$

素因数の和:961359

約数の個数: 24

約数和(自身を含む): 42429895200

約数和(自身を除く): 22244410220

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020, 960299, 1920598, 3841196, 4801495, 9602990, 19205980, 1009274249, 2018548498, 4037096996, 5046371245, 10092742490, 20185484980]

約数ペア:

[(1, 20185484980), (2, 10092742490), (4, 5046371245), (5, 4037096996), (10, 2018548498), (20, 1009274249), (1051, 19205980), (2102, 9602990), (4204, 4801495), (5255, 3841196), (10510, 1920598), (21020, 960299)]