20576421

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 10760859

約数列:

[1, 3, 9, 23, 69, 107, 207, 321, 929, 963, 2461, 2787, 7383, 8361, 21367, 22149, 64101, 99403, 192303, 298209, 894627, 2286269, 6858807, 20576421]

約数ペア:

[(1, 20576421), (3, 6858807), (9, 2286269), (23, 894627), (69, 298209), (107, 192303), (207, 99403), (321, 64101), (929, 22149), (963, 21367), (2461, 8361), (2787, 7383)]