20405824

素因数分解:

$2^6\times {\mathrm{318841}}^1$

素因数の和:318853

約数の個数: 14

約数和(自身を含む): 40492934

約数和(自身を除く): 20087110

約数列:

[1, 2, 4, 8, 16, 32, 64, 318841, 637682, 1275364, 2550728, 5101456, 10202912, 20405824]

約数ペア:

[(1, 20405824), (2, 10202912), (4, 5101456), (8, 2550728), (16, 1275364), (32, 637682), (64, 318841)]