20923910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1103}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 43241472

約数和(自身を除く): 22317562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1103, 1355, 1897, 2206, 2710, 3794, 5515, 7721, 9485, 11030, 15442, 18970, 38605, 77210, 298913, 597826, 1494565, 2092391, 2989130, 4184782, 10461955, 20923910]

約数ペア:

[(1, 20923910), (2, 10461955), (5, 4184782), (7, 2989130), (10, 2092391), (14, 1494565), (35, 597826), (70, 298913), (271, 77210), (542, 38605), (1103, 18970), (1355, 15442), (1897, 11030), (2206, 9485), (2710, 7721), (3794, 5515)]