20165578020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{10691}}^1$

素因数の和:11215

約数の個数: 192

約数和(自身を含む): 71850240000

約数和(自身を除く): 51684661980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 499, 540, 630, 756, 945, 998, 1260, 1497, 1890, 1996, 2495, 2994, 3493, 3780, 4491, 4990, 5988, 6986, 7485, 8982, 9980, 10479, 10691, 13473, 13972, 14970, 17465, 17964, 20958, 21382, 22455, 26946, 29940, 31437, 32073, 34930, 41916, 42764, 44910, 52395, 53455, 53892, 62874, 64146, 67365, 69860, 74837, 89820, 94311, 96219, 104790, 106910, 125748, 128292, 134730, 149674, 157185, 160365, 188622, 192438, 209580, 213820, 224511, 269460, 288657, 299348, 314370, 320730, 374185, 377244, 384876, 449022, 471555, 481095, 577314, 628740, 641460, 673533, 748370, 898044, 943110, 962190, 1122555, 1154628, 1347066, 1443285, 1496740, 1886220, 1924380, 2020599, 2245110, 2694132, 2886570, 3367665, 4041198, 4490220, 5334809, 5773140, 6735330, 8082396, 10102995, 10669618, 13470660, 16004427, 20205990, 21339236, 26674045, 32008854, 37343663, 40411980, 48013281, 53348090, 64017708, 74687326, 80022135, 96026562, 106696180, 112030989, 144039843, 149374652, 160044270, 186718315, 192053124, 224061978, 240066405, 288079686, 320088540, 336092967, 373436630, 448123956, 480132810, 560154945, 576159372, 672185934, 720199215, 746873260, 960265620, 1008278901, 1120309890, 1344371868, 1440398430, 1680464835, 2016557802, 2240619780, 2880796860, 3360929670, 4033115604, 5041394505, 6721859340, 10082789010, 20165578020]

約数ペア:

[(1, 20165578020), (2, 10082789010), (3, 6721859340), (4, 5041394505), (5, 4033115604), (6, 3360929670), (7, 2880796860), (9, 2240619780), (10, 2016557802), (12, 1680464835), (14, 1440398430), (15, 1344371868), (18, 1120309890), (20, 1008278901), (21, 960265620), (27, 746873260), (28, 720199215), (30, 672185934), (35, 576159372), (36, 560154945), (42, 480132810), (45, 448123956), (54, 373436630), (60, 336092967), (63, 320088540), (70, 288079686), (84, 240066405), (90, 224061978), (105, 192053124), (108, 186718315), (126, 160044270), (135, 149374652), (140, 144039843), (180, 112030989), (189, 106696180), (210, 96026562), (252, 80022135), (270, 74687326), (315, 64017708), (378, 53348090), (420, 48013281), (499, 40411980), (540, 37343663), (630, 32008854), (756, 26674045), (945, 21339236), (998, 20205990), (1260, 16004427), (1497, 13470660), (1890, 10669618), (1996, 10102995), (2495, 8082396), (2994, 6735330), (3493, 5773140), (3780, 5334809), (4491, 4490220), (4990, 4041198), (5988, 3367665), (6986, 2886570), (7485, 2694132), (8982, 2245110), (9980, 2020599), (10479, 1924380), (10691, 1886220), (13473, 1496740), (13972, 1443285), (14970, 1347066), (17465, 1154628), (17964, 1122555), (20958, 962190), (21382, 943110), (22455, 898044), (26946, 748370), (29940, 673533), (31437, 641460), (32073, 628740), (34930, 577314), (41916, 481095), (42764, 471555), (44910, 449022), (52395, 384876), (53455, 377244), (53892, 374185), (62874, 320730), (64146, 314370), (67365, 299348), (69860, 288657), (74837, 269460), (89820, 224511), (94311, 213820), (96219, 209580), (104790, 192438), (106910, 188622), (125748, 160365), (128292, 157185), (134730, 149674)]