20385872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98009}}^1$

素因数の和:98030

約数の個数: 20

約数和(自身を含む): 42536340

約数和(自身を除く): 22150468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98009, 196018, 392036, 784072, 1274117, 1568144, 2548234, 5096468, 10192936, 20385872]

約数ペア:

[(1, 20385872), (2, 10192936), (4, 5096468), (8, 2548234), (13, 1568144), (16, 1274117), (26, 784072), (52, 392036), (104, 196018), (208, 98009)]