20401737

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 28163520

約数和(自身を除く): 7761783

約数列:

[1, 3, 43, 89, 129, 267, 1777, 3827, 5331, 11481, 76411, 158153, 229233, 474459, 6800579, 20401737]

約数ペア:

[(1, 20401737), (3, 6800579), (43, 474459), (89, 229233), (129, 158153), (267, 76411), (1777, 11481), (3827, 5331)]