1806220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6969

約数の個数: 24

約数和(自身を含む): 4085424

約数和(自身を除く): 2279204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6947, 13894, 27788, 34735, 69470, 90311, 138940, 180622, 361244, 451555, 903110, 1806220]

約数ペア:

[(1, 1806220), (2, 903110), (4, 451555), (5, 361244), (10, 180622), (13, 138940), (20, 90311), (26, 69470), (52, 34735), (65, 27788), (130, 13894), (260, 6947)]