20087931

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1283}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 28473984

約数和(自身を除く): 8386053

約数列:

[1, 3, 17, 51, 307, 921, 1283, 3849, 5219, 15657, 21811, 65433, 393881, 1181643, 6695977, 20087931]

約数ペア:

[(1, 20087931), (3, 6695977), (17, 1181643), (51, 393881), (307, 65433), (921, 21811), (1283, 15657), (3849, 5219)]