20682775881

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{247879}}^1$

素因数の和:248085

約数の個数: 24

約数和(自身を含む): 30522951680

約数和(自身を除く): 9840175799

約数列:

[1, 3, 9, 73, 127, 219, 381, 657, 1143, 9271, 27813, 83439, 247879, 743637, 2230911, 18095167, 31480633, 54285501, 94441899, 162856503, 283325697, 2298086209, 6894258627, 20682775881]

約数ペア:

[(1, 20682775881), (3, 6894258627), (9, 2298086209), (73, 283325697), (127, 162856503), (219, 94441899), (381, 54285501), (657, 31480633), (1143, 18095167), (9271, 2230911), (27813, 743637), (83439, 247879)]