20073805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 24858288

約数和(自身を除く): 4784483

約数列:

[1, 5, 41, 181, 205, 541, 905, 2705, 7421, 22181, 37105, 97921, 110905, 489605, 4014761, 20073805]

約数ペア:

[(1, 20073805), (5, 4014761), (41, 489605), (181, 110905), (205, 97921), (541, 37105), (905, 22181), (2705, 7421)]