20173646336

素因数分解:

$2^9\times {\mathrm{647}}^1\times {\mathrm{60899}}^1$

素因数の和:61564

約数の個数: 40

約数和(自身を含む): 40370853600

約数和(自身を除く): 20197207264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 647, 1294, 2588, 5176, 10352, 20704, 41408, 60899, 82816, 121798, 165632, 243596, 331264, 487192, 974384, 1948768, 3897536, 7795072, 15590144, 31180288, 39401653, 78803306, 157606612, 315213224, 630426448, 1260852896, 2521705792, 5043411584, 10086823168, 20173646336]

約数ペア:

[(1, 20173646336), (2, 10086823168), (4, 5043411584), (8, 2521705792), (16, 1260852896), (32, 630426448), (64, 315213224), (128, 157606612), (256, 78803306), (512, 39401653), (647, 31180288), (1294, 15590144), (2588, 7795072), (5176, 3897536), (10352, 1948768), (20704, 974384), (41408, 487192), (60899, 331264), (82816, 243596), (121798, 165632)]