20806616268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{1999867}}^1$

素因数の和:1999911

約数の個数: 54

約数和(自身を含む): 55870312316

約数和(自身を除く): 35063696048

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 2601, 3468, 5202, 10404, 1999867, 3999734, 5999601, 7999468, 11999202, 17998803, 23998404, 33997739, 35997606, 67995478, 71995212, 101993217, 135990956, 203986434, 305979651, 407972868, 577961563, 611959302, 1155923126, 1223918604, 1733884689, 2311846252, 3467769378, 5201654067, 6935538756, 10403308134, 20806616268]

約数ペア:

[(1, 20806616268), (2, 10403308134), (3, 6935538756), (4, 5201654067), (6, 3467769378), (9, 2311846252), (12, 1733884689), (17, 1223918604), (18, 1155923126), (34, 611959302), (36, 577961563), (51, 407972868), (68, 305979651), (102, 203986434), (153, 135990956), (204, 101993217), (289, 71995212), (306, 67995478), (578, 35997606), (612, 33997739), (867, 23998404), (1156, 17998803), (1734, 11999202), (2601, 7999468), (3468, 5999601), (5202, 3999734), (10404, 1999867)]