2020236880

素因数分解:

$2^4\times 5^1\times {\mathrm{25252961}}^1$

素因数の和:25252974

約数の個数: 20

約数和(自身を含む): 4697050932

約数和(自身を除く): 2676814052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25252961, 50505922, 101011844, 126264805, 202023688, 252529610, 404047376, 505059220, 1010118440, 2020236880]

約数ペア:

[(1, 2020236880), (2, 1010118440), (4, 505059220), (5, 404047376), (8, 252529610), (10, 202023688), (16, 126264805), (20, 101011844), (40, 50505922), (80, 25252961)]