20161938340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7937771}}^1$

素因数の和:7937907

約数の個数: 24

約数和(自身を含む): 42673462272

約数和(自身を除く): 22511523932

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7937771, 15875542, 31751084, 39688855, 79377710, 158755420, 1008096917, 2016193834, 4032387668, 5040484585, 10080969170, 20161938340]

約数ペア:

[(1, 20161938340), (2, 10080969170), (4, 5040484585), (5, 4032387668), (10, 2016193834), (20, 1008096917), (127, 158755420), (254, 79377710), (508, 39688855), (635, 31751084), (1270, 15875542), (2540, 7937771)]