20487838

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47207}}^1$

素因数の和:47247

約数の個数: 16

約数和(自身を含む): 36255744

約数和(自身を除く): 15767906

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47207, 94414, 330449, 660898, 1463417, 2926834, 10243919, 20487838]

約数ペア:

[(1, 20487838), (2, 10243919), (7, 2926834), (14, 1463417), (31, 660898), (62, 330449), (217, 94414), (434, 47207)]