20717507551

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{477571}}^1$

素因数の和:477702

約数の個数: 16

約数和(自身を含む): 23106843648

約数和(自身を除く): 2389336097

約数列:

[1, 13, 47, 71, 611, 923, 3337, 43381, 477571, 6208423, 22445837, 33907541, 291795881, 440798033, 1593654427, 20717507551]

約数ペア:

[(1, 20717507551), (13, 1593654427), (47, 440798033), (71, 291795881), (611, 33907541), (923, 22445837), (3337, 6208423), (43381, 477571)]