20168072919

素因数分解:

$3^2\times {\mathrm{619}}^1\times {\mathrm{1811}}^1\times {\mathrm{1999}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 29209440000

約数和(自身を除く): 9041367081

約数列:

[1, 3, 9, 619, 1811, 1857, 1999, 5433, 5571, 5997, 16299, 17991, 1121009, 1237381, 3363027, 3620189, 3712143, 10089081, 10860567, 11136429, 32581701, 2240896991, 6722690973, 20168072919]

約数ペア:

[(1, 20168072919), (3, 6722690973), (9, 2240896991), (619, 32581701), (1811, 11136429), (1857, 10860567), (1999, 10089081), (5433, 3712143), (5571, 3620189), (5997, 3363027), (16299, 1237381), (17991, 1121009)]