20193021520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{125641}}^1$

素因数の和:125709

約数の個数: 120

約数和(自身を含む): 55946372328

約数和(自身を除く): 35753350808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1148, 1435, 1640, 1960, 2009, 2296, 2870, 3280, 3920, 4018, 4592, 5740, 8036, 10045, 11480, 16072, 20090, 22960, 32144, 40180, 80360, 125641, 160720, 251282, 502564, 628205, 879487, 1005128, 1256410, 1758974, 2010256, 2512820, 3517948, 4397435, 5025640, 5151281, 6156409, 7035896, 8794870, 10051280, 10302562, 12312818, 14071792, 17589740, 20605124, 24625636, 25756405, 30782045, 35179480, 36058967, 41210248, 49251272, 51512810, 61564090, 70358960, 72117934, 82420496, 98502544, 103025620, 123128180, 144235868, 180294835, 206051240, 246256360, 252412769, 288471736, 360589670, 412102480, 492512720, 504825538, 576943472, 721179340, 1009651076, 1262063845, 1442358680, 2019302152, 2524127690, 2884717360, 4038604304, 5048255380, 10096510760, 20193021520]

約数ペア:

[(1, 20193021520), (2, 10096510760), (4, 5048255380), (5, 4038604304), (7, 2884717360), (8, 2524127690), (10, 2019302152), (14, 1442358680), (16, 1262063845), (20, 1009651076), (28, 721179340), (35, 576943472), (40, 504825538), (41, 492512720), (49, 412102480), (56, 360589670), (70, 288471736), (80, 252412769), (82, 246256360), (98, 206051240), (112, 180294835), (140, 144235868), (164, 123128180), (196, 103025620), (205, 98502544), (245, 82420496), (280, 72117934), (287, 70358960), (328, 61564090), (392, 51512810), (410, 49251272), (490, 41210248), (560, 36058967), (574, 35179480), (656, 30782045), (784, 25756405), (820, 24625636), (980, 20605124), (1148, 17589740), (1435, 14071792), (1640, 12312818), (1960, 10302562), (2009, 10051280), (2296, 8794870), (2870, 7035896), (3280, 6156409), (3920, 5151281), (4018, 5025640), (4592, 4397435), (5740, 3517948), (8036, 2512820), (10045, 2010256), (11480, 1758974), (16072, 1256410), (20090, 1005128), (22960, 879487), (32144, 628205), (40180, 502564), (80360, 251282), (125641, 160720)]