20531319

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 28045824

約数和(自身を除く): 7514505

約数列:

[1, 3, 61, 151, 183, 453, 743, 2229, 9211, 27633, 45323, 112193, 135969, 336579, 6843773, 20531319]

約数ペア:

[(1, 20531319), (3, 6843773), (61, 336579), (151, 135969), (183, 112193), (453, 45323), (743, 27633), (2229, 9211)]