20383559

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{11243}}^1$

素因数の和:11294

約数の個数: 12

約数和(自身を含む): 24354504

約数和(自身を除く): 3970945

約数列:

[1, 7, 37, 49, 259, 1813, 11243, 78701, 415991, 550907, 2911937, 20383559]

約数ペア:

[(1, 20383559), (7, 2911937), (37, 550907), (49, 415991), (259, 78701), (1813, 11243)]