20178495984

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{587}}^1$

素因数の和:1127

約数の個数: 160

約数和(自身を含む): 55961418240

約数和(自身を除く): 35782922256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 103, 136, 204, 206, 272, 309, 408, 409, 412, 587, 618, 816, 818, 824, 1174, 1227, 1236, 1636, 1648, 1751, 1761, 2348, 2454, 2472, 3272, 3502, 3522, 4696, 4908, 4944, 5253, 6544, 6953, 7004, 7044, 9392, 9816, 9979, 10506, 13906, 14008, 14088, 19632, 19958, 20859, 21012, 27812, 28016, 28176, 29937, 39916, 41718, 42024, 42127, 55624, 59874, 60461, 79832, 83436, 84048, 84254, 111248, 119748, 120922, 126381, 159664, 166872, 168508, 181383, 239496, 240083, 241844, 252762, 333744, 337016, 362766, 478992, 480166, 483688, 505524, 674032, 716159, 720249, 725532, 960332, 967376, 1011048, 1027837, 1432318, 1440498, 1451064, 1920664, 2022096, 2055674, 2148477, 2864636, 2880996, 2902128, 3083511, 3841328, 4081411, 4111348, 4296954, 5729272, 5761992, 6167022, 8162822, 8222696, 8593908, 11458544, 11523984, 12244233, 12334044, 16325644, 16445392, 17187816, 24488466, 24668088, 24728549, 32651288, 34375632, 48976932, 49336176, 49457098, 65302576, 74185647, 97953864, 98914196, 148371294, 195907728, 197828392, 296742588, 395656784, 420385333, 593485176, 840770666, 1186970352, 1261155999, 1681541332, 2522311998, 3363082664, 5044623996, 6726165328, 10089247992, 20178495984]

約数ペア:

[(1, 20178495984), (2, 10089247992), (3, 6726165328), (4, 5044623996), (6, 3363082664), (8, 2522311998), (12, 1681541332), (16, 1261155999), (17, 1186970352), (24, 840770666), (34, 593485176), (48, 420385333), (51, 395656784), (68, 296742588), (102, 197828392), (103, 195907728), (136, 148371294), (204, 98914196), (206, 97953864), (272, 74185647), (309, 65302576), (408, 49457098), (409, 49336176), (412, 48976932), (587, 34375632), (618, 32651288), (816, 24728549), (818, 24668088), (824, 24488466), (1174, 17187816), (1227, 16445392), (1236, 16325644), (1636, 12334044), (1648, 12244233), (1751, 11523984), (1761, 11458544), (2348, 8593908), (2454, 8222696), (2472, 8162822), (3272, 6167022), (3502, 5761992), (3522, 5729272), (4696, 4296954), (4908, 4111348), (4944, 4081411), (5253, 3841328), (6544, 3083511), (6953, 2902128), (7004, 2880996), (7044, 2864636), (9392, 2148477), (9816, 2055674), (9979, 2022096), (10506, 1920664), (13906, 1451064), (14008, 1440498), (14088, 1432318), (19632, 1027837), (19958, 1011048), (20859, 967376), (21012, 960332), (27812, 725532), (28016, 720249), (28176, 716159), (29937, 674032), (39916, 505524), (41718, 483688), (42024, 480166), (42127, 478992), (55624, 362766), (59874, 337016), (60461, 333744), (79832, 252762), (83436, 241844), (84048, 240083), (84254, 239496), (111248, 181383), (119748, 168508), (120922, 166872), (126381, 159664)]