20498912

素因数分解:

$2^5\times 7^1\times {\mathrm{91513}}^1$

素因数の和:91530

約数の個数: 24

約数和(自身を含む): 46123056

約数和(自身を除く): 25624144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91513, 183026, 366052, 640591, 732104, 1281182, 1464208, 2562364, 2928416, 5124728, 10249456, 20498912]

約数ペア:

[(1, 20498912), (2, 10249456), (4, 5124728), (7, 2928416), (8, 2562364), (14, 1464208), (16, 1281182), (28, 732104), (32, 640591), (56, 366052), (112, 183026), (224, 91513)]