20881508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10589}}^1$

素因数の和:10639

約数の個数: 24

約数和(自身を含む): 40030200

約数和(自身を除く): 19148692

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10589, 21178, 42356, 180013, 307081, 360026, 614162, 720052, 1228324, 5220377, 10440754, 20881508]

約数ペア:

[(1, 20881508), (2, 10440754), (4, 5220377), (17, 1228324), (29, 720052), (34, 614162), (58, 360026), (68, 307081), (116, 180013), (493, 42356), (986, 21178), (1972, 10589)]