20718699

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 30650880

約数和(自身を除く): 9932181

約数列:

[1, 3, 17, 23, 51, 69, 289, 391, 867, 1039, 1173, 3117, 6647, 17663, 19941, 23897, 52989, 71691, 300271, 406249, 900813, 1218747, 6906233, 20718699]

約数ペア:

[(1, 20718699), (3, 6906233), (17, 1218747), (23, 900813), (51, 406249), (69, 300271), (289, 71691), (391, 52989), (867, 23897), (1039, 19941), (1173, 17663), (3117, 6647)]