20733573546

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{149729}}^1$

素因数の和:149908

約数の個数: 72

約数和(自身を含む): 52590266820

約数和(自身を除く): 31856693274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 157, 294, 314, 441, 471, 882, 942, 1099, 1413, 2198, 2826, 3297, 6594, 7693, 9891, 15386, 19782, 23079, 46158, 69237, 138474, 149729, 299458, 449187, 898374, 1048103, 1347561, 2096206, 2695122, 3144309, 6288618, 7336721, 9432927, 14673442, 18865854, 22010163, 23507453, 44020326, 47014906, 66030489, 70522359, 132060978, 141044718, 164552171, 211567077, 329104342, 423134154, 493656513, 987313026, 1151865197, 1480969539, 2303730394, 2961939078, 3455595591, 6911191182, 10366786773, 20733573546]

約数ペア:

[(1, 20733573546), (2, 10366786773), (3, 6911191182), (6, 3455595591), (7, 2961939078), (9, 2303730394), (14, 1480969539), (18, 1151865197), (21, 987313026), (42, 493656513), (49, 423134154), (63, 329104342), (98, 211567077), (126, 164552171), (147, 141044718), (157, 132060978), (294, 70522359), (314, 66030489), (441, 47014906), (471, 44020326), (882, 23507453), (942, 22010163), (1099, 18865854), (1413, 14673442), (2198, 9432927), (2826, 7336721), (3297, 6288618), (6594, 3144309), (7693, 2695122), (9891, 2096206), (15386, 1347561), (19782, 1048103), (23079, 898374), (46158, 449187), (69237, 299458), (138474, 149729)]