20796661508

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39091469}}^1$

素因数の和:39091499

約数の個数: 24

約数和(自身を含む): 43782446400

約数和(自身を除く): 22985784892

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39091469, 78182938, 156365876, 273640283, 547280566, 742737911, 1094561132, 1485475822, 2970951644, 5199165377, 10398330754, 20796661508]

約数ペア:

[(1, 20796661508), (2, 10398330754), (4, 5199165377), (7, 2970951644), (14, 1485475822), (19, 1094561132), (28, 742737911), (38, 547280566), (76, 273640283), (133, 156365876), (266, 78182938), (532, 39091469)]