20884910

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3407}}^1$

素因数の和:4027

約数の個数: 16

約数和(自身を含む): 37665216

約数和(自身を除く): 16780306

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 3407, 6130, 6814, 17035, 34070, 2088491, 4176982, 10442455, 20884910]

約数ペア:

[(1, 20884910), (2, 10442455), (5, 4176982), (10, 2088491), (613, 34070), (1226, 17035), (3065, 6814), (3407, 6130)]