20823188

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2003}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 38380608

約数和(自身を除く): 17557420

約数列:

[1, 2, 4, 23, 46, 92, 113, 226, 452, 2003, 2599, 4006, 5198, 8012, 10396, 46069, 92138, 184276, 226339, 452678, 905356, 5205797, 10411594, 20823188]

約数ペア:

[(1, 20823188), (2, 10411594), (4, 5205797), (23, 905356), (46, 452678), (92, 226339), (113, 184276), (226, 92138), (452, 46069), (2003, 10396), (2599, 8012), (4006, 5198)]