20797063

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 24698880

約数和(自身を除く): 3901817

約数列:

[1, 7, 31, 217, 239, 401, 1673, 2807, 7409, 12431, 51863, 87017, 95839, 670873, 2971009, 20797063]

約数ペア:

[(1, 20797063), (7, 2971009), (31, 670873), (217, 95839), (239, 87017), (401, 51863), (1673, 12431), (2807, 7409)]