20814592

素因数分解:

$2^8\times {\mathrm{81307}}^1$

素因数の和:81323

約数の個数: 18

約数和(自身を含む): 41548388

約数和(自身を除く): 20733796

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81307, 162614, 325228, 650456, 1300912, 2601824, 5203648, 10407296, 20814592]

約数ペア:

[(1, 20814592), (2, 10407296), (4, 5203648), (8, 2601824), (16, 1300912), (32, 650456), (64, 325228), (128, 162614), (256, 81307)]