20573257916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{172069}}^1$

素因数の和:172565

約数の個数: 24

約数和(自身を含む): 36597224160

約数和(自身を除く): 16023966244

約数列:

[1, 2, 4, 71, 142, 284, 421, 842, 1684, 29891, 59782, 119564, 172069, 344138, 688276, 12216899, 24433798, 48867596, 72441049, 144882098, 289764196, 5143314479, 10286628958, 20573257916]

約数ペア:

[(1, 20573257916), (2, 10286628958), (4, 5143314479), (71, 289764196), (142, 144882098), (284, 72441049), (421, 48867596), (842, 24433798), (1684, 12216899), (29891, 688276), (59782, 344138), (119564, 172069)]