20209456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54917}}^1$

素因数の和:54948

約数の個数: 20

約数和(自身を含む): 40858992

約数和(自身を除く): 20649536

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54917, 109834, 219668, 439336, 878672, 1263091, 2526182, 5052364, 10104728, 20209456]

約数ペア:

[(1, 20209456), (2, 10104728), (4, 5052364), (8, 2526182), (16, 1263091), (23, 878672), (46, 439336), (92, 219668), (184, 109834), (368, 54917)]