20199059019

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:1078

約数の個数: 80

約数和(自身を含む): 31854974976

約数和(自身を除く): 11655915957

約数列:

[1, 3, 9, 27, 31, 71, 81, 93, 137, 213, 279, 411, 639, 827, 837, 1233, 1917, 2201, 2481, 2511, 3699, 4247, 5751, 6603, 7443, 9727, 11097, 12741, 19809, 22329, 25637, 29181, 38223, 58717, 59427, 66987, 76911, 87543, 113299, 114669, 176151, 178281, 230733, 262629, 301537, 339897, 344007, 528453, 692199, 787887, 904611, 1019691, 1585359, 1820227, 2076597, 2713833, 3059073, 3512269, 4756077, 5460681, 8044229, 8141499, 9177219, 10536807, 16382043, 24132687, 24424497, 31610421, 49146129, 72398061, 94831263, 147438387, 217194183, 249371099, 284493789, 651582549, 748113297, 2244339891, 6733019673, 20199059019]

約数ペア:

[(1, 20199059019), (3, 6733019673), (9, 2244339891), (27, 748113297), (31, 651582549), (71, 284493789), (81, 249371099), (93, 217194183), (137, 147438387), (213, 94831263), (279, 72398061), (411, 49146129), (639, 31610421), (827, 24424497), (837, 24132687), (1233, 16382043), (1917, 10536807), (2201, 9177219), (2481, 8141499), (2511, 8044229), (3699, 5460681), (4247, 4756077), (5751, 3512269), (6603, 3059073), (7443, 2713833), (9727, 2076597), (11097, 1820227), (12741, 1585359), (19809, 1019691), (22329, 904611), (25637, 787887), (29181, 692199), (38223, 528453), (58717, 344007), (59427, 339897), (66987, 301537), (76911, 262629), (87543, 230733), (113299, 178281), (114669, 176151)]