19954060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142529}}^1$

素因数の和:142545

約数の個数: 24

約数和(自身を含む): 47890080

約数和(自身を除く): 27936020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142529, 285058, 570116, 712645, 997703, 1425290, 1995406, 2850580, 3990812, 4988515, 9977030, 19954060]

約数ペア:

[(1, 19954060), (2, 9977030), (4, 4988515), (5, 3990812), (7, 2850580), (10, 1995406), (14, 1425290), (20, 997703), (28, 712645), (35, 570116), (70, 285058), (140, 142529)]