20797182016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{1669}}^1$

素因数の和:2592

約数の個数: 112

約数和(自身を含む): 47139971760

約数和(自身を除く): 26342789744

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 881, 884, 1088, 1669, 1762, 1768, 3338, 3524, 3536, 6676, 7048, 7072, 11453, 13352, 14096, 14144, 14977, 21697, 22906, 26704, 28192, 28373, 29954, 43394, 45812, 53408, 56384, 56746, 59908, 86788, 91624, 106816, 113492, 119816, 173576, 183248, 194701, 226984, 239632, 347152, 366496, 368849, 389402, 453968, 479264, 694304, 732992, 737698, 778804, 907936, 958528, 1388608, 1470389, 1475396, 1557608, 1815872, 2940778, 2950792, 3115216, 5881556, 5901584, 6230432, 11763112, 11803168, 12460864, 19115057, 23526224, 23606336, 24996613, 38230114, 47052448, 49993226, 76460228, 94104896, 99986452, 152920456, 199972904, 305840912, 324955969, 399945808, 611681824, 649911938, 799891616, 1223363648, 1299823876, 1599783232, 2599647752, 5199295504, 10398591008, 20797182016]

約数ペア:

[(1, 20797182016), (2, 10398591008), (4, 5199295504), (8, 2599647752), (13, 1599783232), (16, 1299823876), (17, 1223363648), (26, 799891616), (32, 649911938), (34, 611681824), (52, 399945808), (64, 324955969), (68, 305840912), (104, 199972904), (136, 152920456), (208, 99986452), (221, 94104896), (272, 76460228), (416, 49993226), (442, 47052448), (544, 38230114), (832, 24996613), (881, 23606336), (884, 23526224), (1088, 19115057), (1669, 12460864), (1762, 11803168), (1768, 11763112), (3338, 6230432), (3524, 5901584), (3536, 5881556), (6676, 3115216), (7048, 2950792), (7072, 2940778), (11453, 1815872), (13352, 1557608), (14096, 1475396), (14144, 1470389), (14977, 1388608), (21697, 958528), (22906, 907936), (26704, 778804), (28192, 737698), (28373, 732992), (29954, 694304), (43394, 479264), (45812, 453968), (53408, 389402), (56384, 368849), (56746, 366496), (59908, 347152), (86788, 239632), (91624, 226984), (106816, 194701), (113492, 183248), (119816, 173576)]