20471858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5927}}^1$

素因数の和:6097

約数の個数: 16

約数和(自身を含む): 33718464

約数和(自身を除く): 13246606

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5927, 11854, 65197, 130394, 930539, 1861078, 10235929, 20471858]

約数ペア:

[(1, 20471858), (2, 10235929), (11, 1861078), (22, 930539), (157, 130394), (314, 65197), (1727, 11854), (3454, 5927)]