20807726828

素因数分解:

$2^2\times 7^1\times {\mathrm{6581}}^1\times {\mathrm{112921}}^1$

素因数の和:119513

約数の個数: 24

約数和(自身を含む): 41622145824

約数和(自身を除く): 20814418996

約数列:

[1, 2, 4, 7, 14, 28, 6581, 13162, 26324, 46067, 92134, 112921, 184268, 225842, 451684, 790447, 1580894, 3161788, 743133101, 1486266202, 2972532404, 5201931707, 10403863414, 20807726828]

約数ペア:

[(1, 20807726828), (2, 10403863414), (4, 5201931707), (7, 2972532404), (14, 1486266202), (28, 743133101), (6581, 3161788), (13162, 1580894), (26324, 790447), (46067, 451684), (92134, 225842), (112921, 184268)]