20173316660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20585017}}^1$

素因数の和:20585040

約数の個数: 36

約数和(自身を含む): 49280533092

約数和(自身を除く): 29107216432

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20585017, 41170034, 82340068, 102925085, 144095119, 205850170, 288190238, 411700340, 576380476, 720475595, 1008665833, 1440951190, 2017331666, 2881902380, 4034663332, 5043329165, 10086658330, 20173316660]

約数ペア:

[(1, 20173316660), (2, 10086658330), (4, 5043329165), (5, 4034663332), (7, 2881902380), (10, 2017331666), (14, 1440951190), (20, 1008665833), (28, 720475595), (35, 576380476), (49, 411700340), (70, 288190238), (98, 205850170), (140, 144095119), (196, 102925085), (245, 82340068), (490, 41170034), (980, 20585017)]