20160206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 34252416

約数和(自身を除く): 14092210

約数列:

[1, 2, 11, 22, 43, 86, 101, 202, 211, 422, 473, 946, 1111, 2222, 2321, 4343, 4642, 8686, 9073, 18146, 21311, 42622, 47773, 95546, 99803, 199606, 234421, 468842, 916373, 1832746, 10080103, 20160206]

約数ペア:

[(1, 20160206), (2, 10080103), (11, 1832746), (22, 916373), (43, 468842), (86, 234421), (101, 199606), (202, 99803), (211, 95546), (422, 47773), (473, 42622), (946, 21311), (1111, 18146), (2222, 9073), (2321, 8686), (4343, 4642)]