20187780212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{6247}}^1$

素因数の和:6792

約数の個数: 48

約数和(自身を含む): 37651447680

約数和(自身を除く): 17463667468

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 421, 842, 1684, 1919, 3838, 6247, 7676, 7999, 12494, 15998, 24988, 31996, 42521, 85042, 118693, 170084, 237386, 474772, 630947, 807899, 1261894, 1615798, 2523788, 2629987, 3231596, 5259974, 10519948, 11987993, 23975986, 47951972, 49969753, 99939506, 199879012, 265628687, 531257374, 1062514748, 5046945053, 10093890106, 20187780212]

約数ペア:

[(1, 20187780212), (2, 10093890106), (4, 5046945053), (19, 1062514748), (38, 531257374), (76, 265628687), (101, 199879012), (202, 99939506), (404, 49969753), (421, 47951972), (842, 23975986), (1684, 11987993), (1919, 10519948), (3838, 5259974), (6247, 3231596), (7676, 2629987), (7999, 2523788), (12494, 1615798), (15998, 1261894), (24988, 807899), (31996, 630947), (42521, 474772), (85042, 237386), (118693, 170084)]