20179947417

素因数分解:

$3^1\times 7^1\times {\mathrm{13187}}^1\times {\mathrm{72871}}^1$

素因数の和:86068

約数の個数: 16

約数和(自身を含む): 30753149952

約数和(自身を除く): 10573202535

約数列:

[1, 3, 7, 21, 13187, 39561, 72871, 92309, 218613, 276927, 510097, 1530291, 960949877, 2882849631, 6726649139, 20179947417]

約数ペア:

[(1, 20179947417), (3, 6726649139), (7, 2882849631), (21, 960949877), (13187, 1530291), (39561, 510097), (72871, 276927), (92309, 218613)]