20216949998

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1\times {\mathrm{1811}}^1$

素因数の和:2817

約数の個数: 64

約数和(自身を含む): 37202070528

約数和(自身を除く): 16985120530

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 937, 1702, 1811, 1874, 3622, 5957, 6559, 11914, 12677, 13118, 21551, 25354, 34669, 41653, 43102, 67007, 69338, 83306, 134014, 150857, 242683, 291571, 301714, 469049, 485366, 583142, 797387, 938098, 1541161, 1594774, 1696907, 3082322, 3393814, 5581709, 10788127, 11163418, 11878349, 21576254, 23756698, 39028861, 62785559, 78057722, 125571118, 273202027, 439498913, 546404054, 878997826, 1444067857, 2888135714, 10108474999, 20216949998]

約数ペア:

[(1, 20216949998), (2, 10108474999), (7, 2888135714), (14, 1444067857), (23, 878997826), (37, 546404054), (46, 439498913), (74, 273202027), (161, 125571118), (259, 78057722), (322, 62785559), (518, 39028861), (851, 23756698), (937, 21576254), (1702, 11878349), (1811, 11163418), (1874, 10788127), (3622, 5581709), (5957, 3393814), (6559, 3082322), (11914, 1696907), (12677, 1594774), (13118, 1541161), (21551, 938098), (25354, 797387), (34669, 583142), (41653, 485366), (43102, 469049), (67007, 301714), (69338, 291571), (83306, 242683), (134014, 150857)]