19905728

素因数分解:

$2^6\times {\mathrm{311027}}^1$

素因数の和:311039

約数の個数: 14

約数和(自身を含む): 39500556

約数和(自身を除く): 19594828

約数列:

[1, 2, 4, 8, 16, 32, 64, 311027, 622054, 1244108, 2488216, 4976432, 9952864, 19905728]

約数ペア:

[(1, 19905728), (2, 9952864), (4, 4976432), (8, 2488216), (16, 1244108), (32, 622054), (64, 311027)]