20658899536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{7283}}^1$

素因数の和:7600

約数の個数: 80

約数和(自身を含む): 44481581568

約数和(自身を除く): 23822682032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 227, 284, 454, 568, 781, 908, 1136, 1562, 1816, 2497, 3124, 3632, 4994, 6248, 7283, 9988, 12496, 14566, 16117, 19976, 29132, 32234, 39952, 58264, 64468, 80113, 116528, 128936, 160226, 177287, 257872, 320452, 354574, 517093, 640904, 709148, 1034186, 1281808, 1418296, 1653241, 2068372, 2836592, 3306482, 4136744, 5688023, 6612964, 8273488, 11376046, 13225928, 18185651, 22752092, 26451856, 36371302, 45504184, 72742604, 91008368, 117380111, 145485208, 234760222, 290970416, 469520444, 939040888, 1291181221, 1878081776, 2582362442, 5164724884, 10329449768, 20658899536]

約数ペア:

[(1, 20658899536), (2, 10329449768), (4, 5164724884), (8, 2582362442), (11, 1878081776), (16, 1291181221), (22, 939040888), (44, 469520444), (71, 290970416), (88, 234760222), (142, 145485208), (176, 117380111), (227, 91008368), (284, 72742604), (454, 45504184), (568, 36371302), (781, 26451856), (908, 22752092), (1136, 18185651), (1562, 13225928), (1816, 11376046), (2497, 8273488), (3124, 6612964), (3632, 5688023), (4994, 4136744), (6248, 3306482), (7283, 2836592), (9988, 2068372), (12496, 1653241), (14566, 1418296), (16117, 1281808), (19976, 1034186), (29132, 709148), (32234, 640904), (39952, 517093), (58264, 354574), (64468, 320452), (80113, 257872), (116528, 177287), (128936, 160226)]