20596816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18131}}^1$

素因数の和:18210

約数の個数: 20

約数和(自身を含む): 40470624

約数和(自身を除く): 19873808

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18131, 36262, 72524, 145048, 290096, 1287301, 2574602, 5149204, 10298408, 20596816]

約数ペア:

[(1, 20596816), (2, 10298408), (4, 5149204), (8, 2574602), (16, 1287301), (71, 290096), (142, 145048), (284, 72524), (568, 36262), (1136, 18131)]