20164868444

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{304771}}^1$

素因数の和:304938

約数の個数: 48

約数和(自身を含む): 43009424640

約数和(自身を除く): 22844556196

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 476, 556, 973, 1946, 2363, 3892, 4726, 9452, 16541, 33082, 66164, 304771, 609542, 1219084, 2133397, 4266794, 5181107, 8533588, 10362214, 20724428, 36267749, 42363169, 72535498, 84726338, 145070996, 169452676, 296542183, 593084366, 720173873, 1186168732, 1440347746, 2880695492, 5041217111, 10082434222, 20164868444]

約数ペア:

[(1, 20164868444), (2, 10082434222), (4, 5041217111), (7, 2880695492), (14, 1440347746), (17, 1186168732), (28, 720173873), (34, 593084366), (68, 296542183), (119, 169452676), (139, 145070996), (238, 84726338), (278, 72535498), (476, 42363169), (556, 36267749), (973, 20724428), (1946, 10362214), (2363, 8533588), (3892, 5181107), (4726, 4266794), (9452, 2133397), (16541, 1219084), (33082, 609542), (66164, 304771)]