20405649

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5779}}^1$

素因数の和:5900

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 9557871

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5779, 17337, 63569, 190707, 618353, 1855059, 6801883, 20405649]

約数ペア:

[(1, 20405649), (3, 6801883), (11, 1855059), (33, 618353), (107, 190707), (321, 63569), (1177, 17337), (3531, 5779)]