20515866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{488473}}^1$

素因数の和:488485

約数の個数: 16

約数和(自身を含む): 46893504

約数和(自身を除く): 26377638

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 488473, 976946, 1465419, 2930838, 3419311, 6838622, 10257933, 20515866]

約数ペア:

[(1, 20515866), (2, 10257933), (3, 6838622), (6, 3419311), (7, 2930838), (14, 1465419), (21, 976946), (42, 488473)]