20041621838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{613}}^1\times {\mathrm{6469}}^1$

素因数の和:7129

約数の個数: 48

約数和(自身を含む): 36325271520

約数和(自身を除く): 16283649682

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 613, 722, 1226, 2527, 4291, 5054, 6469, 8582, 11647, 12938, 23294, 45283, 81529, 90566, 122911, 163058, 221293, 245822, 442586, 860377, 1549051, 1720754, 2335309, 3098102, 3965497, 4670618, 7930994, 16347163, 27758479, 32694326, 55516958, 75344443, 150688886, 527411101, 1054822202, 1431544417, 2863088834, 10020810919, 20041621838]

約数ペア:

[(1, 20041621838), (2, 10020810919), (7, 2863088834), (14, 1431544417), (19, 1054822202), (38, 527411101), (133, 150688886), (266, 75344443), (361, 55516958), (613, 32694326), (722, 27758479), (1226, 16347163), (2527, 7930994), (4291, 4670618), (5054, 3965497), (6469, 3098102), (8582, 2335309), (11647, 1720754), (12938, 1549051), (23294, 860377), (45283, 442586), (81529, 245822), (90566, 221293), (122911, 163058)]