20929173

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 28479936

約数和(自身を除く): 7550763

約数列:

[1, 3, 73, 219, 227, 421, 681, 1263, 16571, 30733, 49713, 92199, 95567, 286701, 6976391, 20929173]

約数ペア:

[(1, 20929173), (3, 6976391), (73, 286701), (219, 95567), (227, 92199), (421, 49713), (681, 30733), (1263, 16571)]