20498453248

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{1499}}^1$

素因数の和:2122

約数の個数: 144

約数和(自身を含む): 50478624000

約数和(自身を除く): 29980170752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 587, 728, 832, 896, 1174, 1456, 1499, 1664, 1792, 2348, 2912, 2998, 3328, 4109, 4696, 5824, 5996, 7631, 8218, 9392, 10493, 11648, 11992, 15262, 16436, 18784, 19487, 20986, 23296, 23984, 30524, 32872, 37568, 38974, 41972, 47968, 53417, 61048, 65744, 75136, 77948, 83944, 95936, 106834, 122096, 131488, 136409, 150272, 155896, 167888, 191872, 213668, 244192, 262976, 272818, 311792, 335776, 383744, 427336, 488384, 525952, 545636, 623584, 671552, 854672, 879913, 976768, 1051904, 1091272, 1247168, 1343104, 1709344, 1759826, 1953536, 2182544, 2494336, 2686208, 3418688, 3519652, 4365088, 4988672, 6159391, 6837376, 7039304, 8730176, 11438869, 12318782, 13674752, 14078608, 17460352, 22877738, 24637564, 28157216, 34920704, 45755476, 49275128, 56314432, 80072083, 91510952, 98550256, 112628864, 160144166, 183021904, 197100512, 225257728, 320288332, 366043808, 394201024, 640576664, 732087616, 788402048, 1281153328, 1464175232, 1576804096, 2562306656, 2928350464, 5124613312, 10249226624, 20498453248]

約数ペア:

[(1, 20498453248), (2, 10249226624), (4, 5124613312), (7, 2928350464), (8, 2562306656), (13, 1576804096), (14, 1464175232), (16, 1281153328), (26, 788402048), (28, 732087616), (32, 640576664), (52, 394201024), (56, 366043808), (64, 320288332), (91, 225257728), (104, 197100512), (112, 183021904), (128, 160144166), (182, 112628864), (208, 98550256), (224, 91510952), (256, 80072083), (364, 56314432), (416, 49275128), (448, 45755476), (587, 34920704), (728, 28157216), (832, 24637564), (896, 22877738), (1174, 17460352), (1456, 14078608), (1499, 13674752), (1664, 12318782), (1792, 11438869), (2348, 8730176), (2912, 7039304), (2998, 6837376), (3328, 6159391), (4109, 4988672), (4696, 4365088), (5824, 3519652), (5996, 3418688), (7631, 2686208), (8218, 2494336), (9392, 2182544), (10493, 1953536), (11648, 1759826), (11992, 1709344), (15262, 1343104), (16436, 1247168), (18784, 1091272), (19487, 1051904), (20986, 976768), (23296, 879913), (23984, 854672), (30524, 671552), (32872, 623584), (37568, 545636), (38974, 525952), (41972, 488384), (47968, 427336), (53417, 383744), (61048, 335776), (65744, 311792), (75136, 272818), (77948, 262976), (83944, 244192), (95936, 213668), (106834, 191872), (122096, 167888), (131488, 155896), (136409, 150272)]