20570918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 34940160

約数和(自身を除く): 14369242

約数列:

[1, 2, 17, 29, 31, 34, 58, 62, 493, 527, 673, 899, 986, 1054, 1346, 1798, 11441, 15283, 19517, 20863, 22882, 30566, 39034, 41726, 331789, 354671, 605027, 663578, 709342, 1210054, 10285459, 20570918]

約数ペア:

[(1, 20570918), (2, 10285459), (17, 1210054), (29, 709342), (31, 663578), (34, 605027), (58, 354671), (62, 331789), (493, 41726), (527, 39034), (673, 30566), (899, 22882), (986, 20863), (1054, 19517), (1346, 15283), (1798, 11441)]