20726266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40961}}^1$

素因数の和:40997

約数の個数: 16

約数和(自身を含む): 35391168

約数和(自身を除く): 14664902

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40961, 81922, 450571, 901142, 942103, 1884206, 10363133, 20726266]

約数ペア:

[(1, 20726266), (2, 10363133), (11, 1884206), (22, 942103), (23, 901142), (46, 450571), (253, 81922), (506, 40961)]