20580574

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 38244096

約数和(自身を除く): 17663522

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2011, 4022, 5117, 10234, 14077, 28154, 34187, 68374, 86473, 172946, 239309, 478618, 605311, 1210622, 1470041, 2940082, 10290287, 20580574]

約数ペア:

[(1, 20580574), (2, 10290287), (7, 2940082), (14, 1470041), (17, 1210622), (34, 605311), (43, 478618), (86, 239309), (119, 172946), (238, 86473), (301, 68374), (602, 34187), (731, 28154), (1462, 14077), (2011, 10234), (4022, 5117)]