20120613191

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 24606489600

約数和(自身を除く): 4485876409

約数列:

[1, 7, 43, 47, 49, 199, 301, 329, 1021, 1393, 2021, 2107, 2303, 7147, 8557, 9353, 9751, 14147, 43903, 47987, 50029, 59899, 65471, 99029, 203179, 307321, 335909, 402179, 419293, 458297, 1422253, 2063441, 2151247, 2351363, 2815253, 8736697, 9549413, 9955771, 14444087, 19706771, 61156879, 66845891, 101108609, 410624759, 428098153, 467921237, 2874373313, 20120613191]

約数ペア:

[(1, 20120613191), (7, 2874373313), (43, 467921237), (47, 428098153), (49, 410624759), (199, 101108609), (301, 66845891), (329, 61156879), (1021, 19706771), (1393, 14444087), (2021, 9955771), (2107, 9549413), (2303, 8736697), (7147, 2815253), (8557, 2351363), (9353, 2151247), (9751, 2063441), (14147, 1422253), (43903, 458297), (47987, 419293), (50029, 402179), (59899, 335909), (65471, 307321), (99029, 203179)]