20909086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{1109}}^1$

素因数の和:1979

約数の個数: 16

約数和(自身を含む): 34285680

約数和(自身を除く): 13376594

約数列:

[1, 2, 11, 22, 857, 1109, 1714, 2218, 9427, 12199, 18854, 24398, 950413, 1900826, 10454543, 20909086]

約数ペア:

[(1, 20909086), (2, 10454543), (11, 1900826), (22, 950413), (857, 24398), (1109, 18854), (1714, 12199), (2218, 9427)]