20258080

素因数分解:

$2^5\times 5^1\times {\mathrm{126613}}^1$

素因数の和:126628

約数の個数: 24

約数和(自身を含む): 47860092

約数和(自身を除く): 27602012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126613, 253226, 506452, 633065, 1012904, 1266130, 2025808, 2532260, 4051616, 5064520, 10129040, 20258080]

約数ペア:

[(1, 20258080), (2, 10129040), (4, 5064520), (5, 4051616), (8, 2532260), (10, 2025808), (16, 1266130), (20, 1012904), (32, 633065), (40, 506452), (80, 253226), (160, 126613)]