20777218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{134917}}^1$

素因数の和:134937

約数の個数: 16

約数和(自身を含む): 38856384

約数和(自身を除く): 18079166

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 134917, 269834, 944419, 1484087, 1888838, 2968174, 10388609, 20777218]

約数ペア:

[(1, 20777218), (2, 10388609), (7, 2968174), (11, 1888838), (14, 1484087), (22, 944419), (77, 269834), (154, 134917)]