20424520

素因数分解:

$2^3\times 5^1\times {\mathrm{510613}}^1$

素因数の和:510624

約数の個数: 16

約数和(自身を含む): 45955260

約数和(自身を除く): 25530740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 510613, 1021226, 2042452, 2553065, 4084904, 5106130, 10212260, 20424520]

約数ペア:

[(1, 20424520), (2, 10212260), (4, 5106130), (5, 4084904), (8, 2553065), (10, 2042452), (20, 1021226), (40, 510613)]