20168540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144061}}^1$

素因数の和:144077

約数の個数: 24

約数和(自身を含む): 48404832

約数和(自身を除く): 28236292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144061, 288122, 576244, 720305, 1008427, 1440610, 2016854, 2881220, 4033708, 5042135, 10084270, 20168540]

約数ペア:

[(1, 20168540), (2, 10084270), (4, 5042135), (5, 4033708), (7, 2881220), (10, 2016854), (14, 1440610), (20, 1008427), (28, 720305), (35, 576244), (70, 288122), (140, 144061)]