20478592

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 20647808

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 1151, 2224, 2302, 4448, 4604, 8896, 9208, 17792, 18416, 36832, 73664, 147328, 159989, 319978, 639956, 1279912, 2559824, 5119648, 10239296, 20478592]

約数ペア:

[(1, 20478592), (2, 10239296), (4, 5119648), (8, 2559824), (16, 1279912), (32, 639956), (64, 319978), (128, 159989), (139, 147328), (278, 73664), (556, 36832), (1112, 18416), (1151, 17792), (2224, 9208), (2302, 8896), (4448, 4604)]