20709292

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{9787}}^1$

素因数の和:9837

約数の個数: 18

約数和(自身を含む): 37889348

約数和(自身を除く): 17180056

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 9787, 19574, 39148, 225101, 450202, 900404, 5177323, 10354646, 20709292]

約数ペア:

[(1, 20709292), (2, 10354646), (4, 5177323), (23, 900404), (46, 450202), (92, 225101), (529, 39148), (1058, 19574), (2116, 9787)]