20156568124

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{101149}}^1$

素因数の和:101818

約数の個数: 48

約数和(自身を含む): 44046374400

約数和(自身を除く): 23889806276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 647, 1294, 2588, 4529, 7117, 9058, 14234, 18116, 28468, 49819, 99638, 101149, 199276, 202298, 404596, 708043, 1112639, 1416086, 2225278, 2832172, 4450556, 7788473, 15576946, 31153892, 65443403, 130886806, 261773612, 458103821, 719877433, 916207642, 1439754866, 1832415284, 2879509732, 5039142031, 10078284062, 20156568124]

約数ペア:

[(1, 20156568124), (2, 10078284062), (4, 5039142031), (7, 2879509732), (11, 1832415284), (14, 1439754866), (22, 916207642), (28, 719877433), (44, 458103821), (77, 261773612), (154, 130886806), (308, 65443403), (647, 31153892), (1294, 15576946), (2588, 7788473), (4529, 4450556), (7117, 2832172), (9058, 2225278), (14234, 1416086), (18116, 1112639), (28468, 708043), (49819, 404596), (99638, 202298), (101149, 199276)]