20157624781

素因数分解:

$7^1\times {\mathrm{811}}^1\times {\mathrm{991}}^1\times {\mathrm{3583}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 23095410688

約数和(自身を除く): 2937785907

約数列:

[1, 7, 811, 991, 3583, 5677, 6937, 25081, 803701, 2905813, 3550753, 5625907, 20340691, 24855271, 2879660683, 20157624781]

約数ペア:

[(1, 20157624781), (7, 2879660683), (811, 24855271), (991, 20340691), (3583, 5625907), (5677, 3550753), (6937, 2905813), (25081, 803701)]