20791396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{863}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 38465280

約数和(自身を除く): 17673884

約数列:

[1, 2, 4, 19, 38, 76, 317, 634, 863, 1268, 1726, 3452, 6023, 12046, 16397, 24092, 32794, 65588, 273571, 547142, 1094284, 5197849, 10395698, 20791396]

約数ペア:

[(1, 20791396), (2, 10395698), (4, 5197849), (19, 1094284), (38, 547142), (76, 273571), (317, 65588), (634, 32794), (863, 24092), (1268, 16397), (1726, 12046), (3452, 6023)]