20704608

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 63488880

約数和(自身を除く): 42784272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 37, 48, 58, 67, 72, 74, 87, 96, 111, 116, 134, 144, 148, 174, 201, 222, 232, 261, 268, 288, 296, 333, 348, 402, 444, 464, 522, 536, 592, 603, 666, 696, 804, 888, 928, 1044, 1072, 1073, 1184, 1206, 1332, 1392, 1608, 1776, 1943, 2088, 2144, 2146, 2412, 2479, 2664, 2784, 3216, 3219, 3552, 3886, 4176, 4292, 4824, 4958, 5328, 5829, 6432, 6438, 7437, 7772, 8352, 8584, 9648, 9657, 9916, 10656, 11658, 12876, 14874, 15544, 17168, 17487, 19296, 19314, 19832, 22311, 23316, 25752, 29748, 31088, 34336, 34974, 38628, 39664, 44622, 46632, 51504, 59496, 62176, 69948, 71891, 77256, 79328, 89244, 93264, 103008, 118992, 139896, 143782, 154512, 178488, 186528, 215673, 237984, 279792, 287564, 309024, 356976, 431346, 559584, 575128, 647019, 713952, 862692, 1150256, 1294038, 1725384, 2300512, 2588076, 3450768, 5176152, 6901536, 10352304, 20704608]

約数ペア:

[(1, 20704608), (2, 10352304), (3, 6901536), (4, 5176152), (6, 3450768), (8, 2588076), (9, 2300512), (12, 1725384), (16, 1294038), (18, 1150256), (24, 862692), (29, 713952), (32, 647019), (36, 575128), (37, 559584), (48, 431346), (58, 356976), (67, 309024), (72, 287564), (74, 279792), (87, 237984), (96, 215673), (111, 186528), (116, 178488), (134, 154512), (144, 143782), (148, 139896), (174, 118992), (201, 103008), (222, 93264), (232, 89244), (261, 79328), (268, 77256), (288, 71891), (296, 69948), (333, 62176), (348, 59496), (402, 51504), (444, 46632), (464, 44622), (522, 39664), (536, 38628), (592, 34974), (603, 34336), (666, 31088), (696, 29748), (804, 25752), (888, 23316), (928, 22311), (1044, 19832), (1072, 19314), (1073, 19296), (1184, 17487), (1206, 17168), (1332, 15544), (1392, 14874), (1608, 12876), (1776, 11658), (1943, 10656), (2088, 9916), (2144, 9657), (2146, 9648), (2412, 8584), (2479, 8352), (2664, 7772), (2784, 7437), (3216, 6438), (3219, 6432), (3552, 5829), (3886, 5328), (4176, 4958), (4292, 4824)]