2081872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10009}}^1$

素因数の和:10030

約数の個数: 20

約数和(自身を含む): 4344340

約数和(自身を除く): 2262468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10009, 20018, 40036, 80072, 130117, 160144, 260234, 520468, 1040936, 2081872]

約数ペア:

[(1, 2081872), (2, 1040936), (4, 520468), (8, 260234), (13, 160144), (16, 130117), (26, 80072), (52, 40036), (104, 20018), (208, 10009)]