20658738

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7879}}^1$

素因数の和:7926

約数の個数: 32

約数和(自身を含む): 45388800

約数和(自身を除く): 24730062

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 7879, 15758, 23637, 47274, 149701, 181217, 299402, 362434, 449103, 543651, 898206, 1087302, 3443123, 6886246, 10329369, 20658738]

約数ペア:

[(1, 20658738), (2, 10329369), (3, 6886246), (6, 3443123), (19, 1087302), (23, 898206), (38, 543651), (46, 449103), (57, 362434), (69, 299402), (114, 181217), (138, 149701), (437, 47274), (874, 23637), (1311, 15758), (2622, 7879)]