20173089880

素因数分解:

$2^3\times 5^1\times {\mathrm{504327247}}^1$

素因数の和:504327258

約数の個数: 16

約数和(自身を含む): 45389452320

約数和(自身を除く): 25216362440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504327247, 1008654494, 2017308988, 2521636235, 4034617976, 5043272470, 10086544940, 20173089880]

約数ペア:

[(1, 20173089880), (2, 10086544940), (4, 5043272470), (5, 4034617976), (8, 2521636235), (10, 2017308988), (20, 1008654494), (40, 504327247)]