20070987

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 27816480

約数和(自身を除く): 7745493

約数列:

[1, 3, 29, 87, 281, 821, 843, 2463, 8149, 23809, 24447, 71427, 230701, 692103, 6690329, 20070987]

約数ペア:

[(1, 20070987), (3, 6690329), (29, 692103), (87, 230701), (281, 71427), (821, 24447), (843, 23809), (2463, 8149)]