20405510279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{49139}}^1\times {\mathrm{5393}}^1$

素因数の和:54550

約数の個数: 16

約数和(自身を含む): 25445871360

約数和(自身を除く): 5040361081

約数列:

[1, 7, 11, 77, 5393, 37751, 49139, 59323, 343973, 415261, 540529, 3783703, 265006627, 1855046389, 2915072897, 20405510279]

約数ペア:

[(1, 20405510279), (7, 2915072897), (11, 1855046389), (77, 265006627), (5393, 3783703), (37751, 540529), (49139, 415261), (59323, 343973)]