20147690801

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1\times {\mathrm{2131}}^1$

素因数の和:3285

約数の個数: 32

約数和(自身を含む): 24634321920

約数和(自身を除く): 4486631119

約数列:

[1, 7, 19, 67, 133, 469, 1061, 1273, 2131, 7427, 8911, 14917, 20159, 40489, 71087, 141113, 142777, 283423, 497609, 999439, 1350653, 2260991, 2712763, 9454571, 15826937, 18989341, 42958829, 151486397, 300711803, 1060404779, 2878241543, 20147690801]

約数ペア:

[(1, 20147690801), (7, 2878241543), (19, 1060404779), (67, 300711803), (133, 151486397), (469, 42958829), (1061, 18989341), (1273, 15826937), (2131, 9454571), (7427, 2712763), (8911, 2260991), (14917, 1350653), (20159, 999439), (40489, 497609), (71087, 283423), (141113, 142777)]