20194797315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2767}}^1$

素因数の和:2953

約数の個数: 128

約数和(自身を含む): 41326018560

約数和(自身を除く): 21131221245

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 71, 77, 89, 105, 165, 213, 231, 267, 355, 385, 445, 497, 623, 781, 979, 1065, 1155, 1335, 1491, 1869, 2343, 2485, 2767, 2937, 3115, 3905, 4895, 5467, 6319, 6853, 7455, 8301, 9345, 11715, 13835, 14685, 16401, 18957, 19369, 20559, 27335, 30437, 31595, 34265, 41505, 44233, 58107, 69509, 82005, 91311, 94785, 96845, 102795, 132699, 152185, 196457, 208527, 213059, 221165, 246263, 290535, 347545, 456555, 486563, 589371, 639177, 663495, 738789, 982285, 1042635, 1065295, 1231315, 1375199, 1459689, 1723841, 2161027, 2432815, 2708893, 2946855, 3195885, 3693945, 4125597, 5171523, 6483081, 6875995, 7298445, 8126679, 8619205, 10805135, 13544465, 15127189, 17484673, 18962251, 20627985, 25857615, 32415405, 40633395, 45381567, 52454019, 56886753, 75635945, 87423365, 94811255, 122392711, 192331403, 226907835, 262270095, 284433765, 367178133, 576994209, 611963555, 961657015, 1346319821, 1835890665, 2884971045, 4038959463, 6731599105, 20194797315]

約数ペア:

[(1, 20194797315), (3, 6731599105), (5, 4038959463), (7, 2884971045), (11, 1835890665), (15, 1346319821), (21, 961657015), (33, 611963555), (35, 576994209), (55, 367178133), (71, 284433765), (77, 262270095), (89, 226907835), (105, 192331403), (165, 122392711), (213, 94811255), (231, 87423365), (267, 75635945), (355, 56886753), (385, 52454019), (445, 45381567), (497, 40633395), (623, 32415405), (781, 25857615), (979, 20627985), (1065, 18962251), (1155, 17484673), (1335, 15127189), (1491, 13544465), (1869, 10805135), (2343, 8619205), (2485, 8126679), (2767, 7298445), (2937, 6875995), (3115, 6483081), (3905, 5171523), (4895, 4125597), (5467, 3693945), (6319, 3195885), (6853, 2946855), (7455, 2708893), (8301, 2432815), (9345, 2161027), (11715, 1723841), (13835, 1459689), (14685, 1375199), (16401, 1231315), (18957, 1065295), (19369, 1042635), (20559, 982285), (27335, 738789), (30437, 663495), (31595, 639177), (34265, 589371), (41505, 486563), (44233, 456555), (58107, 347545), (69509, 290535), (82005, 246263), (91311, 221165), (94785, 213059), (96845, 208527), (102795, 196457), (132699, 152185)]