20162860

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1097}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 42426720

約数和(自身を除く): 22263860

約数列:

[1, 2, 4, 5, 10, 20, 919, 1097, 1838, 2194, 3676, 4388, 4595, 5485, 9190, 10970, 18380, 21940, 1008143, 2016286, 4032572, 5040715, 10081430, 20162860]

約数ペア:

[(1, 20162860), (2, 10081430), (4, 5040715), (5, 4032572), (10, 2016286), (20, 1008143), (919, 21940), (1097, 18380), (1838, 10970), (2194, 9190), (3676, 5485), (4388, 4595)]