20176294544

素因数分解:

$2^4\times 7^1\times {\mathrm{499}}^1\times {\mathrm{361013}}^1$

素因数の和:361527

約数の個数: 40

約数和(自身を含む): 44765736000

約数和(自身を除く): 24589441456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 499, 998, 1996, 3493, 3992, 6986, 7984, 13972, 27944, 55888, 361013, 722026, 1444052, 2527091, 2888104, 5054182, 5776208, 10108364, 20216728, 40433456, 180145487, 360290974, 720581948, 1261018409, 1441163896, 2522036818, 2882327792, 5044073636, 10088147272, 20176294544]

約数ペア:

[(1, 20176294544), (2, 10088147272), (4, 5044073636), (7, 2882327792), (8, 2522036818), (14, 1441163896), (16, 1261018409), (28, 720581948), (56, 360290974), (112, 180145487), (499, 40433456), (998, 20216728), (1996, 10108364), (3493, 5776208), (3992, 5054182), (6986, 2888104), (7984, 2527091), (13972, 1444052), (27944, 722026), (55888, 361013)]