20804950712

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{57271}}^1$

素因数の和:57796

約数の個数: 64

約数和(自身を含む): 48108480000

約数和(自身を除く): 27303529288

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 499, 728, 998, 1996, 3493, 3992, 6487, 6986, 12974, 13972, 25948, 27944, 45409, 51896, 57271, 90818, 114542, 181636, 229084, 363272, 400897, 458168, 744523, 801794, 1489046, 1603588, 2978092, 3207176, 5211661, 5956184, 10423322, 20846644, 28578229, 41693288, 57156458, 114312916, 200047603, 228625832, 371516977, 400095206, 743033954, 800190412, 1486067908, 1600380824, 2600618839, 2972135816, 5201237678, 10402475356, 20804950712]

約数ペア:

[(1, 20804950712), (2, 10402475356), (4, 5201237678), (7, 2972135816), (8, 2600618839), (13, 1600380824), (14, 1486067908), (26, 800190412), (28, 743033954), (52, 400095206), (56, 371516977), (91, 228625832), (104, 200047603), (182, 114312916), (364, 57156458), (499, 41693288), (728, 28578229), (998, 20846644), (1996, 10423322), (3493, 5956184), (3992, 5211661), (6487, 3207176), (6986, 2978092), (12974, 1603588), (13972, 1489046), (25948, 801794), (27944, 744523), (45409, 458168), (51896, 400897), (57271, 363272), (90818, 229084), (114542, 181636)]