20080496

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9029}}^1$

素因数の和:9176

約数の個数: 20

約数和(自身を含む): 39190200

約数和(自身を除く): 19109704

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9029, 18058, 36116, 72232, 144464, 1255031, 2510062, 5020124, 10040248, 20080496]

約数ペア:

[(1, 20080496), (2, 10040248), (4, 5020124), (8, 2510062), (16, 1255031), (139, 144464), (278, 72232), (556, 36116), (1112, 18058), (2224, 9029)]