20565587502

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{18433}}^1$

素因数の和:18615

約数の個数: 80

約数和(自身を含む): 47215520352

約数和(自身を除く): 26649932850

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 97, 142, 162, 194, 213, 291, 426, 582, 639, 873, 1278, 1746, 1917, 2619, 3834, 5238, 5751, 6887, 7857, 11502, 13774, 15714, 18433, 20661, 36866, 41322, 55299, 61983, 110598, 123966, 165897, 185949, 331794, 371898, 497691, 557847, 995382, 1115694, 1308743, 1493073, 1788001, 2617486, 2986146, 3576002, 3926229, 5364003, 7852458, 10728006, 11778687, 16092009, 23557374, 32184018, 35336061, 48276027, 70672122, 96552054, 106008183, 126948071, 144828081, 212016366, 253896142, 289656162, 380844213, 761688426, 1142532639, 2285065278, 3427597917, 6855195834, 10282793751, 20565587502]

約数ペア:

[(1, 20565587502), (2, 10282793751), (3, 6855195834), (6, 3427597917), (9, 2285065278), (18, 1142532639), (27, 761688426), (54, 380844213), (71, 289656162), (81, 253896142), (97, 212016366), (142, 144828081), (162, 126948071), (194, 106008183), (213, 96552054), (291, 70672122), (426, 48276027), (582, 35336061), (639, 32184018), (873, 23557374), (1278, 16092009), (1746, 11778687), (1917, 10728006), (2619, 7852458), (3834, 5364003), (5238, 3926229), (5751, 3576002), (6887, 2986146), (7857, 2617486), (11502, 1788001), (13774, 1493073), (15714, 1308743), (18433, 1115694), (20661, 995382), (36866, 557847), (41322, 497691), (55299, 371898), (61983, 331794), (110598, 185949), (123966, 165897)]