20339984

素因数分解:

$2^4\times 7^1\times {\mathrm{181607}}^1$

素因数の和:181622

約数の個数: 20

約数和(自身を含む): 45038784

約数和(自身を除く): 24698800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181607, 363214, 726428, 1271249, 1452856, 2542498, 2905712, 5084996, 10169992, 20339984]

約数ペア:

[(1, 20339984), (2, 10169992), (4, 5084996), (7, 2905712), (8, 2542498), (14, 1452856), (16, 1271249), (28, 726428), (56, 363214), (112, 181607)]