20147950781

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{3138799}}^1$

素因数の和:3138944

約数の個数: 12

約数和(自身を含む): 23616331200

約数和(自身を除く): 3468380419

約数列:

[1, 7, 49, 131, 917, 6419, 3138799, 21971593, 153801151, 411182669, 2878278683, 20147950781]

約数ペア:

[(1, 20147950781), (7, 2878278683), (49, 411182669), (131, 153801151), (917, 21971593), (6419, 3138799)]