20726319

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 28085760

約数和(自身を除く): 7359441

約数列:

[1, 3, 137, 211, 239, 411, 633, 717, 28907, 32743, 50429, 86721, 98229, 151287, 6908773, 20726319]

約数ペア:

[(1, 20726319), (3, 6908773), (137, 151287), (211, 98229), (239, 86721), (411, 50429), (633, 32743), (717, 28907)]