20165789896

素因数分解:

$2^3\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{353389}}^1$

素因数の和:354421

約数の個数: 32

約数和(自身を含む): 43254936000

約数和(自身を除く): 23089146104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1019, 2038, 4076, 7133, 8152, 14266, 28532, 57064, 353389, 706778, 1413556, 2473723, 2827112, 4947446, 9894892, 19789784, 360103391, 720206782, 1440413564, 2520723737, 2880827128, 5041447474, 10082894948, 20165789896]

約数ペア:

[(1, 20165789896), (2, 10082894948), (4, 5041447474), (7, 2880827128), (8, 2520723737), (14, 1440413564), (28, 720206782), (56, 360103391), (1019, 19789784), (2038, 9894892), (4076, 4947446), (7133, 2827112), (8152, 2473723), (14266, 1413556), (28532, 706778), (57064, 353389)]