20104481320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{176417}}^1$

素因数の和:176483

約数の個数: 128

約数和(自身を含む): 57921557760

約数和(自身を除く): 37817076440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 616, 740, 770, 814, 1036, 1295, 1480, 1540, 1628, 2035, 2072, 2590, 2849, 3080, 3256, 4070, 5180, 5698, 8140, 10360, 11396, 14245, 16280, 22792, 28490, 56980, 113960, 176417, 352834, 705668, 882085, 1234919, 1411336, 1764170, 1940587, 2469838, 3528340, 3881174, 4939676, 6174595, 6527429, 7056680, 7762348, 9702935, 9879352, 12349190, 13054858, 13584109, 15524696, 19405870, 24698380, 26109716, 27168218, 32637145, 38811740, 45692003, 49396760, 52219432, 54336436, 65274290, 67920545, 71801719, 77623480, 91384006, 108672872, 130548580, 135841090, 143603438, 182768012, 228460015, 261097160, 271682180, 287206876, 359008595, 365536024, 456920030, 502612033, 543364360, 574413752, 718017190, 913840060, 1005224066, 1436034380, 1827680120, 2010448132, 2513060165, 2872068760, 4020896264, 5026120330, 10052240660, 20104481320]

約数ペア:

[(1, 20104481320), (2, 10052240660), (4, 5026120330), (5, 4020896264), (7, 2872068760), (8, 2513060165), (10, 2010448132), (11, 1827680120), (14, 1436034380), (20, 1005224066), (22, 913840060), (28, 718017190), (35, 574413752), (37, 543364360), (40, 502612033), (44, 456920030), (55, 365536024), (56, 359008595), (70, 287206876), (74, 271682180), (77, 261097160), (88, 228460015), (110, 182768012), (140, 143603438), (148, 135841090), (154, 130548580), (185, 108672872), (220, 91384006), (259, 77623480), (280, 71801719), (296, 67920545), (308, 65274290), (370, 54336436), (385, 52219432), (407, 49396760), (440, 45692003), (518, 38811740), (616, 32637145), (740, 27168218), (770, 26109716), (814, 24698380), (1036, 19405870), (1295, 15524696), (1480, 13584109), (1540, 13054858), (1628, 12349190), (2035, 9879352), (2072, 9702935), (2590, 7762348), (2849, 7056680), (3080, 6527429), (3256, 6174595), (4070, 4939676), (5180, 3881174), (5698, 3528340), (8140, 2469838), (10360, 1940587), (11396, 1764170), (14245, 1411336), (16280, 1234919), (22792, 882085), (28490, 705668), (56980, 352834), (113960, 176417)]