20452790

素因数分解:

$2^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2381}}^1$

素因数の和:3247

約数の個数: 16

約数和(自身を含む): 36873360

約数和(自身を除く): 16420570

約数列:

[1, 2, 5, 10, 859, 1718, 2381, 4295, 4762, 8590, 11905, 23810, 2045279, 4090558, 10226395, 20452790]

約数ペア:

[(1, 20452790), (2, 10226395), (5, 4090558), (10, 2045279), (859, 23810), (1718, 11905), (2381, 8590), (4295, 4762)]