20971940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95327}}^1$

素因数の和:95347

約数の個数: 24

約数和(自身を含む): 48045312

約数和(自身を除く): 27073372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95327, 190654, 381308, 476635, 953270, 1048597, 1906540, 2097194, 4194388, 5242985, 10485970, 20971940]

約数ペア:

[(1, 20971940), (2, 10485970), (4, 5242985), (5, 4194388), (10, 2097194), (11, 1906540), (20, 1048597), (22, 953270), (44, 476635), (55, 381308), (110, 190654), (220, 95327)]