20512395900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{11939}}^1$

素因数の和:12065

約数の個数: 216

約数和(自身を含む): 67904403840

約数和(自身を除く): 47392007940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 83, 90, 92, 100, 115, 138, 150, 166, 180, 207, 225, 230, 249, 276, 300, 332, 345, 414, 415, 450, 460, 498, 575, 690, 747, 828, 830, 900, 996, 1035, 1150, 1245, 1380, 1494, 1660, 1725, 1909, 2070, 2075, 2300, 2490, 2988, 3450, 3735, 3818, 4140, 4150, 4980, 5175, 5727, 6225, 6900, 7470, 7636, 8300, 9545, 10350, 11454, 11939, 12450, 14940, 17181, 18675, 19090, 20700, 22908, 23878, 24900, 28635, 34362, 35817, 37350, 38180, 47725, 47756, 57270, 59695, 68724, 71634, 74700, 85905, 95450, 107451, 114540, 119390, 143175, 143268, 171810, 179085, 190900, 214902, 238780, 274597, 286350, 298475, 343620, 358170, 429525, 429804, 537255, 549194, 572700, 596950, 716340, 823791, 859050, 895425, 990937, 1074510, 1098388, 1193900, 1372985, 1647582, 1718100, 1790850, 1981874, 2149020, 2471373, 2686275, 2745970, 2972811, 3295164, 3581700, 3963748, 4118955, 4942746, 4954685, 5372550, 5491940, 5945622, 6864925, 8237910, 8918433, 9885492, 9909370, 10745100, 11891244, 12356865, 13729850, 14864055, 16475820, 17836866, 19818740, 20594775, 22791551, 24713730, 24773425, 27459700, 29728110, 35673732, 41189550, 44592165, 45583102, 49427460, 49546850, 59456220, 61784325, 68374653, 74320275, 82379100, 89184330, 91166204, 99093700, 113957755, 123568650, 136749306, 148640550, 178368660, 205123959, 222960825, 227915510, 247137300, 273498612, 297281100, 341873265, 410247918, 445921650, 455831020, 569788775, 683746530, 820495836, 891843300, 1025619795, 1139577550, 1367493060, 1709366325, 2051239590, 2279155100, 3418732650, 4102479180, 5128098975, 6837465300, 10256197950, 20512395900]

約数ペア:

[(1, 20512395900), (2, 10256197950), (3, 6837465300), (4, 5128098975), (5, 4102479180), (6, 3418732650), (9, 2279155100), (10, 2051239590), (12, 1709366325), (15, 1367493060), (18, 1139577550), (20, 1025619795), (23, 891843300), (25, 820495836), (30, 683746530), (36, 569788775), (45, 455831020), (46, 445921650), (50, 410247918), (60, 341873265), (69, 297281100), (75, 273498612), (83, 247137300), (90, 227915510), (92, 222960825), (100, 205123959), (115, 178368660), (138, 148640550), (150, 136749306), (166, 123568650), (180, 113957755), (207, 99093700), (225, 91166204), (230, 89184330), (249, 82379100), (276, 74320275), (300, 68374653), (332, 61784325), (345, 59456220), (414, 49546850), (415, 49427460), (450, 45583102), (460, 44592165), (498, 41189550), (575, 35673732), (690, 29728110), (747, 27459700), (828, 24773425), (830, 24713730), (900, 22791551), (996, 20594775), (1035, 19818740), (1150, 17836866), (1245, 16475820), (1380, 14864055), (1494, 13729850), (1660, 12356865), (1725, 11891244), (1909, 10745100), (2070, 9909370), (2075, 9885492), (2300, 8918433), (2490, 8237910), (2988, 6864925), (3450, 5945622), (3735, 5491940), (3818, 5372550), (4140, 4954685), (4150, 4942746), (4980, 4118955), (5175, 3963748), (5727, 3581700), (6225, 3295164), (6900, 2972811), (7470, 2745970), (7636, 2686275), (8300, 2471373), (9545, 2149020), (10350, 1981874), (11454, 1790850), (11939, 1718100), (12450, 1647582), (14940, 1372985), (17181, 1193900), (18675, 1098388), (19090, 1074510), (20700, 990937), (22908, 895425), (23878, 859050), (24900, 823791), (28635, 716340), (34362, 596950), (35817, 572700), (37350, 549194), (38180, 537255), (47725, 429804), (47756, 429525), (57270, 358170), (59695, 343620), (68724, 298475), (71634, 286350), (74700, 274597), (85905, 238780), (95450, 214902), (107451, 190900), (114540, 179085), (119390, 171810), (143175, 143268)]