20159027

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:938

約数の個数: 16

約数和(自身を含む): 23853312

約数和(自身を除く): 3694285

約数列:

[1, 7, 53, 67, 371, 469, 811, 3551, 5677, 24857, 42983, 54337, 300881, 380359, 2879861, 20159027]

約数ペア:

[(1, 20159027), (7, 2879861), (53, 380359), (67, 300881), (371, 54337), (469, 42983), (811, 24857), (3551, 5677)]