20288086

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5908

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 19144874

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5867, 11734, 41069, 76271, 82138, 111473, 152542, 222946, 533897, 780311, 1067794, 1449149, 1560622, 2898298, 10144043, 20288086]

約数ペア:

[(1, 20288086), (2, 10144043), (7, 2898298), (13, 1560622), (14, 1449149), (19, 1067794), (26, 780311), (38, 533897), (91, 222946), (133, 152542), (182, 111473), (247, 82138), (266, 76271), (494, 41069), (1729, 11734), (3458, 5867)]