20512483978

素因数分解:

$2^1\times 7^2\times {\mathrm{209311061}}^1$

素因数の和:209311077

約数の個数: 12

約数和(自身を含む): 35792191602

約数和(自身を除く): 15279707624

約数列:

[1, 2, 7, 14, 49, 98, 209311061, 418622122, 1465177427, 2930354854, 10256241989, 20512483978]

約数ペア:

[(1, 20512483978), (2, 10256241989), (7, 2930354854), (14, 1465177427), (49, 418622122), (98, 209311061)]