20647066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{1531}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 33863328

約数和(自身を除く): 13216262

約数列:

[1, 2, 11, 22, 613, 1226, 1531, 3062, 6743, 13486, 16841, 33682, 938503, 1877006, 10323533, 20647066]

約数ペア:

[(1, 20647066), (2, 10323533), (11, 1877006), (22, 938503), (613, 33682), (1226, 16841), (1531, 13486), (3062, 6743)]