20747029233

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1\times {\mathrm{27673}}^1$

素因数の和:29581

約数の個数: 32

約数和(自身を含む): 33297356800

約数和(自身を除く): 12550327567

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1879, 5637, 13153, 27673, 35701, 39459, 83019, 107103, 193711, 249907, 525787, 581133, 749721, 1577361, 3680509, 11041527, 51997567, 155992701, 363982969, 987953773, 1091948907, 2963861319, 6915676411, 20747029233]

約数ペア:

[(1, 20747029233), (3, 6915676411), (7, 2963861319), (19, 1091948907), (21, 987953773), (57, 363982969), (133, 155992701), (399, 51997567), (1879, 11041527), (5637, 3680509), (13153, 1577361), (27673, 749721), (35701, 581133), (39459, 525787), (83019, 249907), (107103, 193711)]