20123171284

素因数分解:

$2^2\times {\mathrm{479}}^1\times {\mathrm{1171}}^1\times {\mathrm{8969}}^1$

素因数の和:10623

約数の個数: 24

約数和(自身を含む): 35323142400

約数和(自身を除く): 15199971116

約数列:

[1, 2, 4, 479, 958, 1171, 1916, 2342, 4684, 8969, 17938, 35876, 560909, 1121818, 2243636, 4296151, 8592302, 10502699, 17184604, 21005398, 42010796, 5030792821, 10061585642, 20123171284]

約数ペア:

[(1, 20123171284), (2, 10061585642), (4, 5030792821), (479, 42010796), (958, 21005398), (1171, 17184604), (1916, 10502699), (2342, 8592302), (4684, 4296151), (8969, 2243636), (17938, 1121818), (35876, 560909)]