20125504971

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{85451}}^1$

素因数の和:85545

約数の個数: 64

約数和(自身を含む): 35602721280

約数和(自身を除く): 15477216309

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 61, 99, 117, 143, 183, 297, 351, 429, 549, 671, 793, 1287, 1647, 2013, 2379, 3861, 6039, 7137, 8723, 18117, 21411, 26169, 78507, 85451, 235521, 256353, 769059, 939961, 1110863, 2307177, 2819883, 3332589, 5212511, 8459649, 9997767, 12219493, 15637533, 25378947, 29993301, 36658479, 46912599, 57337621, 67762643, 109975437, 140737797, 172012863, 203287929, 329926311, 516038589, 609863787, 745389073, 1548115767, 1829591361, 2236167219, 6708501657, 20125504971]

約数ペア:

[(1, 20125504971), (3, 6708501657), (9, 2236167219), (11, 1829591361), (13, 1548115767), (27, 745389073), (33, 609863787), (39, 516038589), (61, 329926311), (99, 203287929), (117, 172012863), (143, 140737797), (183, 109975437), (297, 67762643), (351, 57337621), (429, 46912599), (549, 36658479), (671, 29993301), (793, 25378947), (1287, 15637533), (1647, 12219493), (2013, 9997767), (2379, 8459649), (3861, 5212511), (6039, 3332589), (7137, 2819883), (8723, 2307177), (18117, 1110863), (21411, 939961), (26169, 769059), (78507, 256353), (85451, 235521)]