20790551908

素因数分解:

$2^2\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{461479}}^1$

素因数の和:463099

約数の個数: 24

約数和(自身を含む): 41607036800

約数和(自身を除く): 20816484892

約数列:

[1, 2, 4, 7, 14, 28, 1609, 3218, 6436, 11263, 22526, 45052, 461479, 922958, 1845916, 3230353, 6460706, 12921412, 742519711, 1485039422, 2970078844, 5197637977, 10395275954, 20790551908]

約数ペア:

[(1, 20790551908), (2, 10395275954), (4, 5197637977), (7, 2970078844), (14, 1485039422), (28, 742519711), (1609, 12921412), (3218, 6460706), (6436, 3230353), (11263, 1845916), (22526, 922958), (45052, 461479)]