20393968

素因数分解:

$2^4\times 7^1\times {\mathrm{182089}}^1$

素因数の和:182104

約数の個数: 20

約数和(自身を含む): 45158320

約数和(自身を除く): 24764352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182089, 364178, 728356, 1274623, 1456712, 2549246, 2913424, 5098492, 10196984, 20393968]

約数ペア:

[(1, 20393968), (2, 10196984), (4, 5098492), (7, 2913424), (8, 2549246), (14, 1456712), (16, 1274623), (28, 728356), (56, 364178), (112, 182089)]