20807845544

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1069}}^1\times {\mathrm{78487}}^1$

素因数の和:79593

約数の個数: 32

約数和(自身を含む): 40311436800

約数和(自身を除く): 19503591256

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1069, 2138, 4276, 8552, 33139, 66278, 78487, 132556, 156974, 265112, 313948, 627896, 2433097, 4866194, 9732388, 19464776, 83902603, 167805206, 335610412, 671220824, 2600980693, 5201961386, 10403922772, 20807845544]

約数ペア:

[(1, 20807845544), (2, 10403922772), (4, 5201961386), (8, 2600980693), (31, 671220824), (62, 335610412), (124, 167805206), (248, 83902603), (1069, 19464776), (2138, 9732388), (4276, 4866194), (8552, 2433097), (33139, 627896), (66278, 313948), (78487, 265112), (132556, 156974)]