20837542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22027}}^1$

素因数の和:22083

約数の個数: 16

約数和(自身を含む): 34892352

約数和(自身を除く): 14054810

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22027, 44054, 242297, 484594, 947161, 1894322, 10418771, 20837542]

約数ペア:

[(1, 20837542), (2, 10418771), (11, 1894322), (22, 947161), (43, 484594), (86, 242297), (473, 44054), (946, 22027)]