20681996720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1151}}^1\times {\mathrm{2917}}^1$

素因数の和:4099

約数の個数: 160

約数和(自身を含む): 60023586816

約数和(自身を除く): 39341590096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1151, 1232, 1540, 2302, 2917, 3080, 4604, 5755, 5834, 6160, 8057, 9208, 11510, 11668, 12661, 14585, 16114, 18416, 20419, 23020, 23336, 25322, 29170, 32087, 32228, 40285, 40838, 46040, 46672, 50644, 58340, 63305, 64174, 64456, 80570, 81676, 88627, 92080, 101288, 102095, 116680, 126610, 128348, 128912, 160435, 161140, 163352, 177254, 202576, 204190, 224609, 233360, 253220, 256696, 320870, 322280, 326704, 354508, 408380, 443135, 449218, 506440, 513392, 641740, 644560, 709016, 816760, 886270, 898436, 1012880, 1123045, 1283480, 1418032, 1633520, 1772540, 1796872, 2246090, 2566960, 3357467, 3545080, 3593744, 4492180, 6714934, 7090160, 8984360, 13429868, 16787335, 17968720, 23502269, 26859736, 33574670, 36932137, 47004538, 53719472, 67149340, 73864274, 94009076, 117511345, 134298680, 147728548, 184660685, 188018152, 235022690, 258524959, 268597360, 295457096, 369321370, 376036304, 470045380, 517049918, 590914192, 738642740, 940090760, 1034099836, 1292624795, 1477285480, 1880181520, 2068199672, 2585249590, 2954570960, 4136399344, 5170499180, 10340998360, 20681996720]

約数ペア:

[(1, 20681996720), (2, 10340998360), (4, 5170499180), (5, 4136399344), (7, 2954570960), (8, 2585249590), (10, 2068199672), (11, 1880181520), (14, 1477285480), (16, 1292624795), (20, 1034099836), (22, 940090760), (28, 738642740), (35, 590914192), (40, 517049918), (44, 470045380), (55, 376036304), (56, 369321370), (70, 295457096), (77, 268597360), (80, 258524959), (88, 235022690), (110, 188018152), (112, 184660685), (140, 147728548), (154, 134298680), (176, 117511345), (220, 94009076), (280, 73864274), (308, 67149340), (385, 53719472), (440, 47004538), (560, 36932137), (616, 33574670), (770, 26859736), (880, 23502269), (1151, 17968720), (1232, 16787335), (1540, 13429868), (2302, 8984360), (2917, 7090160), (3080, 6714934), (4604, 4492180), (5755, 3593744), (5834, 3545080), (6160, 3357467), (8057, 2566960), (9208, 2246090), (11510, 1796872), (11668, 1772540), (12661, 1633520), (14585, 1418032), (16114, 1283480), (18416, 1123045), (20419, 1012880), (23020, 898436), (23336, 886270), (25322, 816760), (29170, 709016), (32087, 644560), (32228, 641740), (40285, 513392), (40838, 506440), (46040, 449218), (46672, 443135), (50644, 408380), (58340, 354508), (63305, 326704), (64174, 322280), (64456, 320870), (80570, 256696), (81676, 253220), (88627, 233360), (92080, 224609), (101288, 204190), (102095, 202576), (116680, 177254), (126610, 163352), (128348, 161140), (128912, 160435)]