20952291

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 7624509

約数列:

[1, 3, 89, 97, 267, 291, 809, 2427, 8633, 25899, 72001, 78473, 216003, 235419, 6984097, 20952291]

約数ペア:

[(1, 20952291), (3, 6984097), (89, 235419), (97, 216003), (267, 78473), (291, 72001), (809, 25899), (2427, 8633)]