20211492752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1617437}}^1$

素因数の和:1617527

約数の個数: 40

約数和(自身を含む): 43321459392

約数和(自身を除く): 23109966640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 1617437, 3234874, 6469748, 12939496, 17791807, 25878992, 35583614, 71167228, 114838027, 142334456, 229676054, 284668912, 459352108, 918704216, 1263218297, 1837408432, 2526436594, 5052873188, 10105746376, 20211492752]

約数ペア:

[(1, 20211492752), (2, 10105746376), (4, 5052873188), (8, 2526436594), (11, 1837408432), (16, 1263218297), (22, 918704216), (44, 459352108), (71, 284668912), (88, 229676054), (142, 142334456), (176, 114838027), (284, 71167228), (568, 35583614), (781, 25878992), (1136, 17791807), (1562, 12939496), (3124, 6469748), (6248, 3234874), (12496, 1617437)]