20319184

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4721}}^1$

素因数の和:4998

約数の個数: 20

約数和(自身を含む): 39523140

約数和(自身を除く): 19203956

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4721, 9442, 18884, 37768, 75536, 1269949, 2539898, 5079796, 10159592, 20319184]

約数ペア:

[(1, 20319184), (2, 10159592), (4, 5079796), (8, 2539898), (16, 1269949), (269, 75536), (538, 37768), (1076, 18884), (2152, 9442), (4304, 4721)]