20433897

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12951063

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 643, 963, 1177, 1929, 2889, 3531, 5787, 7073, 10593, 17361, 21219, 31779, 63657, 68801, 190971, 206403, 619209, 756811, 1857627, 2270433, 6811299, 20433897]

約数ペア:

[(1, 20433897), (3, 6811299), (9, 2270433), (11, 1857627), (27, 756811), (33, 619209), (99, 206403), (107, 190971), (297, 68801), (321, 63657), (643, 31779), (963, 21219), (1177, 17361), (1929, 10593), (2889, 7073), (3531, 5787)]