20202680

素因数分解:

$2^3\times 5^1\times {\mathrm{505067}}^1$

素因数の和:505078

約数の個数: 16

約数和(自身を含む): 45456120

約数和(自身を除く): 25253440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505067, 1010134, 2020268, 2525335, 4040536, 5050670, 10101340, 20202680]

約数ペア:

[(1, 20202680), (2, 10101340), (4, 5050670), (5, 4040536), (8, 2525335), (10, 2020268), (20, 1010134), (40, 505067)]