20887054

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 31872960

約数和(自身を除く): 10985906

約数列:

[1, 2, 89, 178, 271, 433, 542, 866, 24119, 38537, 48238, 77074, 117343, 234686, 10443527, 20887054]

約数ペア:

[(1, 20887054), (2, 10443527), (89, 234686), (178, 117343), (271, 77074), (433, 48238), (542, 38537), (866, 24119)]