20355688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133919}}^1$

素因数の和:133944

約数の個数: 16

約数和(自身を含む): 40176000

約数和(自身を除く): 19820312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133919, 267838, 535676, 1071352, 2544461, 5088922, 10177844, 20355688]

約数ペア:

[(1, 20355688), (2, 10177844), (4, 5088922), (8, 2544461), (19, 1071352), (38, 535676), (76, 267838), (152, 133919)]