20776860993

素因数分解:

$3^1\times 7^1\times {\mathrm{2903}}^1\times {\mathrm{340811}}^1$

素因数の和:343724

約数の個数: 16

約数和(自身を含む): 31670977536

約数和(自身を除く): 10894116543

約数列:

[1, 3, 7, 21, 2903, 8709, 20321, 60963, 340811, 1022433, 2385677, 7157031, 989374333, 2968122999, 6925620331, 20776860993]

約数ペア:

[(1, 20776860993), (3, 6925620331), (7, 2968122999), (21, 989374333), (2903, 7157031), (8709, 2385677), (20321, 1022433), (60963, 340811)]