20521149

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2213}}^1$

素因数の和:2508

約数の個数: 16

約数和(自身を含む): 29968704

約数和(自身を除く): 9447555

約数列:

[1, 3, 11, 33, 281, 843, 2213, 3091, 6639, 9273, 24343, 73029, 621853, 1865559, 6840383, 20521149]

約数ペア:

[(1, 20521149), (3, 6840383), (11, 1865559), (33, 621853), (281, 73029), (843, 24343), (2213, 9273), (3091, 6639)]