20373921

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 10289439

約数列:

[1, 3, 9, 29, 87, 251, 261, 311, 753, 933, 2259, 2799, 7279, 9019, 21837, 27057, 65511, 78061, 81171, 234183, 702549, 2263769, 6791307, 20373921]

約数ペア:

[(1, 20373921), (3, 6791307), (9, 2263769), (29, 702549), (87, 234183), (251, 81171), (261, 78061), (311, 65511), (753, 27057), (933, 21837), (2259, 9019), (2799, 7279)]