20119866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257947}}^1$

素因数の和:257965

約数の個数: 16

約数和(自身を含む): 43335264

約数和(自身を除く): 23215398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257947, 515894, 773841, 1547682, 3353311, 6706622, 10059933, 20119866]

約数ペア:

[(1, 20119866), (2, 10059933), (3, 6706622), (6, 3353311), (13, 1547682), (26, 773841), (39, 515894), (78, 257947)]