20797441042

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10687277}}^1$

素因数の和:10687425

約数の個数: 16

約数和(自身を含む): 35909254080

約数和(自身を除く): 15111813038

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10687277, 21374554, 74810939, 149621878, 1485531503, 2971063006, 10398720521, 20797441042]

約数ペア:

[(1, 20797441042), (2, 10398720521), (7, 2971063006), (14, 1485531503), (139, 149621878), (278, 74810939), (973, 21374554), (1946, 10687277)]