20786224

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12613}}^1$

素因数の和:12724

約数の個数: 20

約数和(自身を含む): 40667536

約数和(自身を除く): 19881312

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12613, 25226, 50452, 100904, 201808, 1299139, 2598278, 5196556, 10393112, 20786224]

約数ペア:

[(1, 20786224), (2, 10393112), (4, 5196556), (8, 2598278), (16, 1299139), (103, 201808), (206, 100904), (412, 50452), (824, 25226), (1648, 12613)]