20766293456

素因数分解:

$2^4\times {\mathrm{5303}}^1\times {\mathrm{244747}}^1$

素因数の和:250058

約数の個数: 20

約数和(自身を含む): 40242445152

約数和(自身を除く): 19476151696

約数列:

[1, 2, 4, 8, 16, 5303, 10606, 21212, 42424, 84848, 244747, 489494, 978988, 1957976, 3915952, 1297893341, 2595786682, 5191573364, 10383146728, 20766293456]

約数ペア:

[(1, 20766293456), (2, 10383146728), (4, 5191573364), (8, 2595786682), (16, 1297893341), (5303, 3915952), (10606, 1957976), (21212, 978988), (42424, 489494), (84848, 244747)]