20528970244

素因数分解:

$2^2\times {\mathrm{40111}}^1\times {\mathrm{127951}}^1$

素因数の和:168066

約数の個数: 12

約数和(自身を含む): 35926874368

約数和(自身を除く): 15397904124

約数列:

[1, 2, 4, 40111, 80222, 127951, 160444, 255902, 511804, 5132242561, 10264485122, 20528970244]

約数ペア:

[(1, 20528970244), (2, 10264485122), (4, 5132242561), (40111, 511804), (80222, 255902), (127951, 160444)]