20744318

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2096

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 17803906

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2027, 4054, 5117, 10234, 14189, 28378, 34459, 68918, 87161, 174322, 241213, 482426, 610127, 1220254, 1481737, 2963474, 10372159, 20744318]

約数ペア:

[(1, 20744318), (2, 10372159), (7, 2963474), (14, 1481737), (17, 1220254), (34, 610127), (43, 482426), (86, 241213), (119, 174322), (238, 87161), (301, 68918), (602, 34459), (731, 28378), (1462, 14189), (2027, 10234), (4054, 5117)]