20824047

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1140

約数の個数: 20

約数和(自身を含む): 31244136

約数和(自身を除く): 10420089

約数列:

[1, 3, 9, 27, 81, 317, 811, 951, 2433, 2853, 7299, 8559, 21897, 25677, 65691, 257087, 771261, 2313783, 6941349, 20824047]

約数ペア:

[(1, 20824047), (3, 6941349), (9, 2313783), (27, 771261), (81, 257087), (317, 65691), (811, 25677), (951, 21897), (2433, 8559), (2853, 7299)]