20905940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95027}}^1$

素因数の和:95047

約数の個数: 24

約数和(自身を含む): 47894112

約数和(自身を除く): 26988172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95027, 190054, 380108, 475135, 950270, 1045297, 1900540, 2090594, 4181188, 5226485, 10452970, 20905940]

約数ペア:

[(1, 20905940), (2, 10452970), (4, 5226485), (5, 4181188), (10, 2090594), (11, 1900540), (20, 1045297), (22, 950270), (44, 475135), (55, 380108), (110, 190054), (220, 95027)]