20160956980

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{533641}}^1$

素因数の和:535539

約数の個数: 24

約数和(自身を含む): 42360501960

約数和(自身を除く): 22199544980

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 7556, 9445, 18890, 37780, 533641, 1067282, 2134564, 2668205, 5336410, 10672820, 1008047849, 2016095698, 4032191396, 5040239245, 10080478490, 20160956980]

約数ペア:

[(1, 20160956980), (2, 10080478490), (4, 5040239245), (5, 4032191396), (10, 2016095698), (20, 1008047849), (1889, 10672820), (3778, 5336410), (7556, 2668205), (9445, 2134564), (18890, 1067282), (37780, 533641)]