20924988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249107}}^1$

素因数の和:249121

約数の個数: 24

約数和(自身を含む): 55800192

約数和(自身を除く): 34875204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249107, 498214, 747321, 996428, 1494642, 1743749, 2989284, 3487498, 5231247, 6974996, 10462494, 20924988]

約数ペア:

[(1, 20924988), (2, 10462494), (3, 6974996), (4, 5231247), (6, 3487498), (7, 2989284), (12, 1743749), (14, 1494642), (21, 996428), (28, 747321), (42, 498214), (84, 249107)]