20299178445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1539

約数の個数: 128

約数和(自身を含む): 40778035200

約数和(自身を除く): 20478856755

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 83, 91, 105, 139, 195, 249, 273, 415, 417, 455, 581, 695, 973, 1079, 1245, 1289, 1365, 1743, 1807, 2085, 2905, 2919, 3237, 3867, 4865, 5395, 5421, 6445, 7553, 8715, 9023, 9035, 11537, 12649, 14595, 16185, 16757, 19335, 22659, 27069, 27105, 34611, 37765, 37947, 45115, 50271, 57685, 63245, 80759, 83785, 106987, 113295, 117299, 135345, 149981, 173055, 179171, 189735, 242277, 251355, 320961, 351897, 403795, 449943, 534935, 537513, 586495, 748909, 749905, 895855, 1049867, 1211385, 1254197, 1390831, 1604805, 1759485, 2246727, 2249715, 2329223, 2687565, 3149601, 3744545, 3762591, 4172493, 5249335, 6270985, 6954155, 6987669, 9735817, 11233635, 11646115, 14871193, 15748005, 16304561, 18812955, 20862465, 29207451, 34938345, 44613579, 48679085, 48913683, 74355965, 81522805, 104098351, 146037255, 193325509, 223067895, 244568415, 312295053, 520491755, 579976527, 966627545, 1353278563, 1561475265, 2899882635, 4059835689, 6766392815, 20299178445]

約数ペア:

[(1, 20299178445), (3, 6766392815), (5, 4059835689), (7, 2899882635), (13, 1561475265), (15, 1353278563), (21, 966627545), (35, 579976527), (39, 520491755), (65, 312295053), (83, 244568415), (91, 223067895), (105, 193325509), (139, 146037255), (195, 104098351), (249, 81522805), (273, 74355965), (415, 48913683), (417, 48679085), (455, 44613579), (581, 34938345), (695, 29207451), (973, 20862465), (1079, 18812955), (1245, 16304561), (1289, 15748005), (1365, 14871193), (1743, 11646115), (1807, 11233635), (2085, 9735817), (2905, 6987669), (2919, 6954155), (3237, 6270985), (3867, 5249335), (4865, 4172493), (5395, 3762591), (5421, 3744545), (6445, 3149601), (7553, 2687565), (8715, 2329223), (9023, 2249715), (9035, 2246727), (11537, 1759485), (12649, 1604805), (14595, 1390831), (16185, 1254197), (16757, 1211385), (19335, 1049867), (22659, 895855), (27069, 749905), (27105, 748909), (34611, 586495), (37765, 537513), (37947, 534935), (45115, 449943), (50271, 403795), (57685, 351897), (63245, 320961), (80759, 251355), (83785, 242277), (106987, 189735), (113295, 179171), (117299, 173055), (135345, 149981)]