20765333128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1\times {\mathrm{6151}}^1$

素因数の和:6518

約数の個数: 64

約数和(自身を含む): 41805054720

約数和(自身を除く): 21039721592

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 241, 412, 482, 824, 964, 1751, 1928, 3502, 4097, 6151, 7004, 8194, 12302, 14008, 16388, 24604, 24823, 32776, 49208, 49646, 99292, 104567, 198584, 209134, 418268, 421991, 633553, 836536, 843982, 1267106, 1482391, 1687964, 2534212, 2964782, 3375928, 5068424, 5929564, 10770401, 11859128, 21540802, 25200647, 43081604, 50401294, 86163208, 100802588, 152686273, 201605176, 305372546, 610745092, 1221490184, 2595666641, 5191333282, 10382666564, 20765333128]

約数ペア:

[(1, 20765333128), (2, 10382666564), (4, 5191333282), (8, 2595666641), (17, 1221490184), (34, 610745092), (68, 305372546), (103, 201605176), (136, 152686273), (206, 100802588), (241, 86163208), (412, 50401294), (482, 43081604), (824, 25200647), (964, 21540802), (1751, 11859128), (1928, 10770401), (3502, 5929564), (4097, 5068424), (6151, 3375928), (7004, 2964782), (8194, 2534212), (12302, 1687964), (14008, 1482391), (16388, 1267106), (24604, 843982), (24823, 836536), (32776, 633553), (49208, 421991), (49646, 418268), (99292, 209134), (104567, 198584)]