20719216

素因数分解:

$2^4\times 7^1\times {\mathrm{184993}}^1$

素因数の和:185008

約数の個数: 20

約数和(自身を含む): 45878512

約数和(自身を除く): 25159296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184993, 369986, 739972, 1294951, 1479944, 2589902, 2959888, 5179804, 10359608, 20719216]

約数ペア:

[(1, 20719216), (2, 10359608), (4, 5179804), (7, 2959888), (8, 2589902), (14, 1479944), (16, 1294951), (28, 739972), (56, 369986), (112, 184993)]