20455818

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179437}}^1$

素因数の和:179461

約数の個数: 16

約数和(自身を含む): 43065120

約数和(自身を除く): 22609302

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179437, 358874, 538311, 1076622, 3409303, 6818606, 10227909, 20455818]

約数ペア:

[(1, 20455818), (2, 10227909), (3, 6818606), (6, 3409303), (19, 1076622), (38, 538311), (57, 358874), (114, 179437)]