20903622416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:941

約数の個数: 120

約数和(自身を含む): 44735339880

約数和(自身を除く): 23831717464

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 73, 74, 136, 146, 148, 272, 292, 296, 584, 592, 629, 769, 1168, 1241, 1258, 1369, 1538, 2482, 2516, 2701, 2738, 3076, 4964, 5032, 5402, 5476, 6152, 9928, 10064, 10804, 10952, 12304, 13073, 19856, 21608, 21904, 23273, 26146, 28453, 43216, 45917, 46546, 52292, 56137, 56906, 91834, 93092, 99937, 104584, 112274, 113812, 183668, 186184, 199874, 209168, 224548, 227624, 367336, 372368, 399748, 449096, 455248, 483701, 734672, 799496, 898192, 954329, 967402, 1052761, 1598992, 1698929, 1908658, 1934804, 2077069, 2105522, 3397858, 3817316, 3869608, 4154138, 4211044, 6795716, 7634632, 7739216, 8308276, 8422088, 13591432, 15269264, 16616552, 16844176, 17896937, 27182864, 33233104, 35310173, 35793874, 70620346, 71587748, 76851553, 141240692, 143175496, 153703106, 282481384, 286350992, 307406212, 564962768, 614812424, 1229624848, 1306476401, 2612952802, 5225905604, 10451811208, 20903622416]

約数ペア:

[(1, 20903622416), (2, 10451811208), (4, 5225905604), (8, 2612952802), (16, 1306476401), (17, 1229624848), (34, 614812424), (37, 564962768), (68, 307406212), (73, 286350992), (74, 282481384), (136, 153703106), (146, 143175496), (148, 141240692), (272, 76851553), (292, 71587748), (296, 70620346), (584, 35793874), (592, 35310173), (629, 33233104), (769, 27182864), (1168, 17896937), (1241, 16844176), (1258, 16616552), (1369, 15269264), (1538, 13591432), (2482, 8422088), (2516, 8308276), (2701, 7739216), (2738, 7634632), (3076, 6795716), (4964, 4211044), (5032, 4154138), (5402, 3869608), (5476, 3817316), (6152, 3397858), (9928, 2105522), (10064, 2077069), (10804, 1934804), (10952, 1908658), (12304, 1698929), (13073, 1598992), (19856, 1052761), (21608, 967402), (21904, 954329), (23273, 898192), (26146, 799496), (28453, 734672), (43216, 483701), (45917, 455248), (46546, 449096), (52292, 399748), (56137, 372368), (56906, 367336), (91834, 227624), (93092, 224548), (99937, 209168), (104584, 199874), (112274, 186184), (113812, 183668)]