20494276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1061}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 39251520

約数和(自身を除く): 18757244

約数列:

[1, 2, 4, 11, 22, 44, 439, 878, 1061, 1756, 2122, 4244, 4829, 9658, 11671, 19316, 23342, 46684, 465779, 931558, 1863116, 5123569, 10247138, 20494276]

約数ペア:

[(1, 20494276), (2, 10247138), (4, 5123569), (11, 1863116), (22, 931558), (44, 465779), (439, 46684), (878, 23342), (1061, 19316), (1756, 11671), (2122, 9658), (4244, 4829)]