20655788

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 36997632

約数和(自身を除く): 16341844

約数列:

[1, 2, 4, 73, 127, 146, 254, 292, 508, 557, 1114, 2228, 9271, 18542, 37084, 40661, 70739, 81322, 141478, 162644, 282956, 5163947, 10327894, 20655788]

約数ペア:

[(1, 20655788), (2, 10327894), (4, 5163947), (73, 282956), (127, 162644), (146, 141478), (254, 81322), (292, 70739), (508, 40661), (557, 37084), (1114, 18542), (2228, 9271)]