20120429912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{39619}}^1$

素因数の和:39864

約数の個数: 64

約数和(自身を含む): 42789600000

約数和(自身を除く): 22669170088

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 199, 232, 319, 398, 638, 796, 1276, 1592, 2189, 2552, 4378, 5771, 8756, 11542, 17512, 23084, 39619, 46168, 63481, 79238, 126962, 158476, 253924, 316952, 435809, 507848, 871618, 1148951, 1743236, 2297902, 3486472, 4595804, 7884181, 9191608, 12638461, 15768362, 25276922, 31536724, 50553844, 63073448, 86725991, 101107688, 173451982, 228641249, 346903964, 457282498, 693807928, 914564996, 1829129992, 2515053739, 5030107478, 10060214956, 20120429912]

約数ペア:

[(1, 20120429912), (2, 10060214956), (4, 5030107478), (8, 2515053739), (11, 1829129992), (22, 914564996), (29, 693807928), (44, 457282498), (58, 346903964), (88, 228641249), (116, 173451982), (199, 101107688), (232, 86725991), (319, 63073448), (398, 50553844), (638, 31536724), (796, 25276922), (1276, 15768362), (1592, 12638461), (2189, 9191608), (2552, 7884181), (4378, 4595804), (5771, 3486472), (8756, 2297902), (11542, 1743236), (17512, 1148951), (23084, 871618), (39619, 507848), (46168, 435809), (63481, 316952), (79238, 253924), (126962, 158476)]