20260009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 26864640

約数和(自身を除く): 6604631

約数列:

[1, 7, 11, 29, 43, 77, 203, 211, 301, 319, 473, 1247, 1477, 2233, 2321, 3311, 6119, 8729, 9073, 13717, 16247, 42833, 63511, 67309, 96019, 99803, 263117, 471163, 698621, 1841819, 2894287, 20260009]

約数ペア:

[(1, 20260009), (7, 2894287), (11, 1841819), (29, 698621), (43, 471163), (77, 263117), (203, 99803), (211, 96019), (301, 67309), (319, 63511), (473, 42833), (1247, 16247), (1477, 13717), (2233, 9073), (2321, 8729), (3311, 6119)]