20170708228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{4091}}^1$

素因数の和:4345

約数の個数: 72

約数和(自身を含む): 39681335232

約数和(自身を除く): 19510627004

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 167, 242, 244, 334, 484, 668, 671, 1342, 1837, 2684, 3674, 4091, 7348, 7381, 8182, 10187, 14762, 16364, 20207, 20374, 29524, 40414, 40748, 45001, 80828, 90002, 112057, 180004, 224114, 249551, 448228, 495011, 499102, 683197, 990022, 998204, 1232627, 1366394, 1980044, 2465254, 2732788, 2745061, 4930508, 5490122, 7515167, 10980244, 15030334, 30060668, 30195671, 41675017, 60391342, 82666837, 83350034, 120782684, 165333674, 166700068, 330667348, 458425187, 916850374, 1833700748, 5042677057, 10085354114, 20170708228]

約数ペア:

[(1, 20170708228), (2, 10085354114), (4, 5042677057), (11, 1833700748), (22, 916850374), (44, 458425187), (61, 330667348), (121, 166700068), (122, 165333674), (167, 120782684), (242, 83350034), (244, 82666837), (334, 60391342), (484, 41675017), (668, 30195671), (671, 30060668), (1342, 15030334), (1837, 10980244), (2684, 7515167), (3674, 5490122), (4091, 4930508), (7348, 2745061), (7381, 2732788), (8182, 2465254), (10187, 1980044), (14762, 1366394), (16364, 1232627), (20207, 998204), (20374, 990022), (29524, 683197), (40414, 499102), (40748, 495011), (45001, 448228), (80828, 249551), (90002, 224114), (112057, 180004)]