20168883657

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{55411}}^1$

素因数の和:55511

約数の個数: 64

約数和(自身を含む): 34630283520

約数和(自身を除く): 14461399863

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 117, 153, 183, 221, 351, 459, 549, 663, 793, 1037, 1647, 1989, 2379, 3111, 5967, 7137, 9333, 13481, 21411, 27999, 40443, 55411, 121329, 166233, 363987, 498699, 720343, 941987, 1496097, 2161029, 2825961, 3380071, 6483087, 8477883, 10140213, 12245831, 19449261, 25433649, 30420639, 36737493, 43940923, 57461207, 91261917, 110212479, 131822769, 172383621, 330637437, 395468307, 517150863, 746995691, 1186404921, 1551452589, 2240987073, 6722961219, 20168883657]

約数ペア:

[(1, 20168883657), (3, 6722961219), (9, 2240987073), (13, 1551452589), (17, 1186404921), (27, 746995691), (39, 517150863), (51, 395468307), (61, 330637437), (117, 172383621), (153, 131822769), (183, 110212479), (221, 91261917), (351, 57461207), (459, 43940923), (549, 36737493), (663, 30420639), (793, 25433649), (1037, 19449261), (1647, 12245831), (1989, 10140213), (2379, 8477883), (3111, 6483087), (5967, 3380071), (7137, 2825961), (9333, 2161029), (13481, 1496097), (21411, 941987), (27999, 720343), (40443, 498699), (55411, 363987), (121329, 166233)]