20082020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143443}}^1$

素因数の和:143459

約数の個数: 24

約数和(自身を含む): 48197184

約数和(自身を除く): 28115164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143443, 286886, 573772, 717215, 1004101, 1434430, 2008202, 2868860, 4016404, 5020505, 10041010, 20082020]

約数ペア:

[(1, 20082020), (2, 10041010), (4, 5020505), (5, 4016404), (7, 2868860), (10, 2008202), (14, 1434430), (20, 1004101), (28, 717215), (35, 573772), (70, 286886), (140, 143443)]