20686844

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3167}}^1$

素因数の和:3265

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 17633284

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 284, 1633, 3167, 3266, 6334, 6532, 12668, 72841, 145682, 224857, 291364, 449714, 899428, 5171711, 10343422, 20686844]

約数ペア:

[(1, 20686844), (2, 10343422), (4, 5171711), (23, 899428), (46, 449714), (71, 291364), (92, 224857), (142, 145682), (284, 72841), (1633, 12668), (3167, 6532), (3266, 6334)]