20095525420

素因数分解:

$2^2\times 5^1\times {\mathrm{1004776271}}^1$

素因数の和:1004776280

約数の個数: 12

約数和(自身を含む): 42200603424

約数和(自身を除く): 22105078004

約数列:

[1, 2, 4, 5, 10, 20, 1004776271, 2009552542, 4019105084, 5023881355, 10047762710, 20095525420]

約数ペア:

[(1, 20095525420), (2, 10047762710), (4, 5023881355), (5, 4019105084), (10, 2009552542), (20, 1004776271)]