20287952

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11633}}^1$

素因数の和:11750

約数の個数: 20

約数和(自身を含む): 39671940

約数和(自身を除く): 19383988

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11633, 23266, 46532, 93064, 186128, 1267997, 2535994, 5071988, 10143976, 20287952]

約数ペア:

[(1, 20287952), (2, 10143976), (4, 5071988), (8, 2535994), (16, 1267997), (109, 186128), (218, 93064), (436, 46532), (872, 23266), (1744, 11633)]