20161384004

素因数分解:

$2^2\times {\mathrm{7879}}^1\times {\mathrm{639719}}^1$

素因数の和:647602

約数の個数: 12

約数和(自身を含む): 35286955200

約数和(自身を除く): 15125571196

約数列:

[1, 2, 4, 7879, 15758, 31516, 639719, 1279438, 2558876, 5040346001, 10080692002, 20161384004]

約数ペア:

[(1, 20161384004), (2, 10080692002), (4, 5040346001), (7879, 2558876), (15758, 1279438), (31516, 639719)]