20386835

素因数分解:

$5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1669}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 28056000

約数和(自身を除く): 7669165

約数列:

[1, 5, 7, 35, 349, 1669, 1745, 2443, 8345, 11683, 12215, 58415, 582481, 2912405, 4077367, 20386835]

約数ペア:

[(1, 20386835), (5, 4077367), (7, 2912405), (35, 582481), (349, 58415), (1669, 12215), (1745, 11683), (2443, 8345)]