22051880

素因数分解:

$2^3\times 5^1\times {\mathrm{551297}}^1$

素因数の和:551308

約数の個数: 16

約数和(自身を含む): 49616820

約数和(自身を除く): 27564940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 551297, 1102594, 2205188, 2756485, 4410376, 5512970, 11025940, 22051880]

約数ペア:

[(1, 22051880), (2, 11025940), (4, 5512970), (5, 4410376), (8, 2756485), (10, 2205188), (20, 1102594), (40, 551297)]