20725956864

素因数分解:

$2^8\times 3^3\times {\mathrm{373}}^1\times {\mathrm{8039}}^1$

素因数の和:8437

約数の個数: 144

約数和(自身を含む): 61462262400

約数和(自身を除く): 40736305536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 373, 384, 432, 576, 746, 768, 864, 1119, 1152, 1492, 1728, 2238, 2304, 2984, 3357, 3456, 4476, 5968, 6714, 6912, 8039, 8952, 10071, 11936, 13428, 16078, 17904, 20142, 23872, 24117, 26856, 32156, 35808, 40284, 47744, 48234, 53712, 64312, 71616, 72351, 80568, 95488, 96468, 107424, 128624, 143232, 144702, 161136, 192936, 214848, 217053, 257248, 286464, 289404, 322272, 385872, 429696, 434106, 514496, 578808, 644544, 771744, 859392, 868212, 1028992, 1157616, 1289088, 1543488, 1736424, 2057984, 2315232, 2578176, 2998547, 3086976, 3472848, 4630464, 5997094, 6173952, 6945696, 8995641, 9260928, 11994188, 13891392, 17991282, 18521856, 23988376, 26986923, 27782784, 35982564, 47976752, 53973846, 55565568, 71965128, 80960769, 95953504, 107947692, 143930256, 161921538, 191907008, 215895384, 287860512, 323843076, 383814016, 431790768, 575721024, 647686152, 767628032, 863581536, 1151442048, 1295372304, 1727163072, 2302884096, 2590744608, 3454326144, 5181489216, 6908652288, 10362978432, 20725956864]

約数ペア:

[(1, 20725956864), (2, 10362978432), (3, 6908652288), (4, 5181489216), (6, 3454326144), (8, 2590744608), (9, 2302884096), (12, 1727163072), (16, 1295372304), (18, 1151442048), (24, 863581536), (27, 767628032), (32, 647686152), (36, 575721024), (48, 431790768), (54, 383814016), (64, 323843076), (72, 287860512), (96, 215895384), (108, 191907008), (128, 161921538), (144, 143930256), (192, 107947692), (216, 95953504), (256, 80960769), (288, 71965128), (373, 55565568), (384, 53973846), (432, 47976752), (576, 35982564), (746, 27782784), (768, 26986923), (864, 23988376), (1119, 18521856), (1152, 17991282), (1492, 13891392), (1728, 11994188), (2238, 9260928), (2304, 8995641), (2984, 6945696), (3357, 6173952), (3456, 5997094), (4476, 4630464), (5968, 3472848), (6714, 3086976), (6912, 2998547), (8039, 2578176), (8952, 2315232), (10071, 2057984), (11936, 1736424), (13428, 1543488), (16078, 1289088), (17904, 1157616), (20142, 1028992), (23872, 868212), (24117, 859392), (26856, 771744), (32156, 644544), (35808, 578808), (40284, 514496), (47744, 434106), (48234, 429696), (53712, 385872), (64312, 322272), (71616, 289404), (72351, 286464), (80568, 257248), (95488, 217053), (96468, 214848), (107424, 192936), (128624, 161136), (143232, 144702)]