20844856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153271}}^1$

素因数の和:153294

約数の個数: 16

約数和(自身を含む): 41383440

約数和(自身を除く): 20538584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153271, 306542, 613084, 1226168, 2605607, 5211214, 10422428, 20844856]

約数ペア:

[(1, 20844856), (2, 10422428), (4, 5211214), (8, 2605607), (17, 1226168), (34, 613084), (68, 306542), (136, 153271)]