20908952

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{35803}}^1$

素因数の和:35882

約数の個数: 16

約数和(自身を含む): 39742440

約数和(自身を除く): 18833488

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 35803, 71606, 143212, 286424, 2613619, 5227238, 10454476, 20908952]

約数ペア:

[(1, 20908952), (2, 10454476), (4, 5227238), (8, 2613619), (73, 286424), (146, 143212), (292, 71606), (584, 35803)]