20302238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40123}}^1$

素因数の和:40159

約数の個数: 16

約数和(自身を含む): 34667136

約数和(自身を除く): 14364898

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40123, 80246, 441353, 882706, 922829, 1845658, 10151119, 20302238]

約数ペア:

[(1, 20302238), (2, 10151119), (11, 1845658), (22, 922829), (23, 882706), (46, 441353), (253, 80246), (506, 40123)]