20776839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1327}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 29449728

約数和(自身を除く): 8672889

約数列:

[1, 3, 17, 51, 307, 921, 1327, 3981, 5219, 15657, 22559, 67677, 407389, 1222167, 6925613, 20776839]

約数ペア:

[(1, 20776839), (3, 6925613), (17, 1222167), (51, 407389), (307, 67677), (921, 22559), (1327, 15657), (3981, 5219)]