20774384

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9341}}^1$

素因数の和:9488

約数の個数: 20

約数和(自身を含む): 40544280

約数和(自身を除く): 19769896

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9341, 18682, 37364, 74728, 149456, 1298399, 2596798, 5193596, 10387192, 20774384]

約数ペア:

[(1, 20774384), (2, 10387192), (4, 5193596), (8, 2596798), (16, 1298399), (139, 149456), (278, 74728), (556, 37364), (1112, 18682), (2224, 9341)]