20166075069

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20431687}}^1$

素因数の和:20431744

約数の個数: 16

約数和(自身を含む): 31383072768

約数和(自身を除く): 11216997699

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20431687, 61295061, 143021809, 429065427, 960289289, 2880867867, 6722025023, 20166075069]

約数ペア:

[(1, 20166075069), (3, 6722025023), (7, 2880867867), (21, 960289289), (47, 429065427), (141, 143021809), (329, 61295061), (987, 20431687)]