20803945407

素因数分解:

$3^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{595709}}^1$

素因数の和:597382

約数の個数: 16

約数和(自身を含む): 31720366080

約数和(自身を除く): 10916420673

約数列:

[1, 3, 7, 21, 1663, 4989, 11641, 34923, 595709, 1787127, 4169963, 12509889, 990664067, 2971992201, 6934648469, 20803945407]

約数ペア:

[(1, 20803945407), (3, 6934648469), (7, 2971992201), (21, 990664067), (1663, 12509889), (4989, 4169963), (11641, 1787127), (34923, 595709)]