20086440052

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1579}}^1\times {\mathrm{1583}}^1$

素因数の和:3221

約数の個数: 72

約数和(自身を含む): 41940581760

約数和(自身を除く): 21854141708

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 1579, 1583, 2009, 3158, 3166, 4018, 6316, 6332, 8036, 11053, 11081, 22106, 22162, 44212, 44324, 64739, 64903, 77371, 77567, 129478, 129806, 154742, 155134, 258956, 259612, 309484, 310268, 453173, 454321, 906346, 908642, 1812692, 1817284, 2499557, 3172211, 3180247, 4999114, 6344422, 6360494, 9998228, 12688844, 12720988, 17496899, 34993798, 69987596, 102481837, 122478293, 204963674, 244956586, 409927348, 489913172, 717372859, 1434745718, 2869491436, 5021610013, 10043220026, 20086440052]

約数ペア:

[(1, 20086440052), (2, 10043220026), (4, 5021610013), (7, 2869491436), (14, 1434745718), (28, 717372859), (41, 489913172), (49, 409927348), (82, 244956586), (98, 204963674), (164, 122478293), (196, 102481837), (287, 69987596), (574, 34993798), (1148, 17496899), (1579, 12720988), (1583, 12688844), (2009, 9998228), (3158, 6360494), (3166, 6344422), (4018, 4999114), (6316, 3180247), (6332, 3172211), (8036, 2499557), (11053, 1817284), (11081, 1812692), (22106, 908642), (22162, 906346), (44212, 454321), (44324, 453173), (64739, 310268), (64903, 309484), (77371, 259612), (77567, 258956), (129478, 155134), (129806, 154742)]