20198660836

素因数分解:

$2^2\times {\mathrm{631}}^1\times {\mathrm{8002639}}^1$

素因数の和:8003274

約数の個数: 12

約数和(自身を含む): 35403679360

約数和(自身を除く): 15205018524

約数列:

[1, 2, 4, 631, 1262, 2524, 8002639, 16005278, 32010556, 5049665209, 10099330418, 20198660836]

約数ペア:

[(1, 20198660836), (2, 10099330418), (4, 5049665209), (631, 32010556), (1262, 16005278), (2524, 8002639)]