20831216

素因数分解:

$2^4\times 7^1\times {\mathrm{185993}}^1$

素因数の和:186008

約数の個数: 20

約数和(自身を含む): 46126512

約数和(自身を除く): 25295296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 185993, 371986, 743972, 1301951, 1487944, 2603902, 2975888, 5207804, 10415608, 20831216]

約数ペア:

[(1, 20831216), (2, 10415608), (4, 5207804), (7, 2975888), (8, 2603902), (14, 1487944), (16, 1301951), (28, 743972), (56, 371986), (112, 185993)]