20819416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113149}}^1$

素因数の和:113178

約数の個数: 16

約数和(自身を含む): 40734000

約数和(自身を除く): 19914584

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 113149, 226298, 452596, 905192, 2602427, 5204854, 10409708, 20819416]

約数ペア:

[(1, 20819416), (2, 10409708), (4, 5204854), (8, 2602427), (23, 905192), (46, 452596), (92, 226298), (184, 113149)]