20176917772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{178639}}^1$

素因数の和:178822

約数の個数: 48

約数和(自身を含む): 41055759360

約数和(自身を除く): 20878841588

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 151, 187, 302, 374, 604, 748, 1661, 2567, 3322, 5134, 6644, 10268, 28237, 56474, 112948, 178639, 357278, 714556, 1965029, 3036863, 3930058, 6073726, 7860116, 12147452, 26974489, 33405493, 53948978, 66810986, 107897956, 133621972, 296719379, 458566313, 593438758, 917132626, 1186877516, 1834265252, 5044229443, 10088458886, 20176917772]

約数ペア:

[(1, 20176917772), (2, 10088458886), (4, 5044229443), (11, 1834265252), (17, 1186877516), (22, 917132626), (34, 593438758), (44, 458566313), (68, 296719379), (151, 133621972), (187, 107897956), (302, 66810986), (374, 53948978), (604, 33405493), (748, 26974489), (1661, 12147452), (2567, 7860116), (3322, 6073726), (5134, 3930058), (6644, 3036863), (10268, 1965029), (28237, 714556), (56474, 357278), (112948, 178639)]