20804948269

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{3241151}}^1$

素因数の和:3241296

約数の個数: 12

約数和(自身を含む): 24386427648

約数和(自身を除く): 3581479379

約数列:

[1, 7, 49, 131, 917, 6419, 3241151, 22688057, 158816399, 424590781, 2972135467, 20804948269]

約数ペア:

[(1, 20804948269), (7, 2972135467), (49, 424590781), (131, 158816399), (917, 22688057), (6419, 3241151)]