20161371424

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{1291}}^1\times {\mathrm{4561}}^1$

素因数の和:5969

約数の個数: 48

約数和(自身を含む): 40103483616

約数和(自身を除く): 19942112192

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 856, 1291, 1712, 2582, 3424, 4561, 5164, 9122, 10328, 18244, 20656, 36488, 41312, 72976, 138137, 145952, 276274, 488027, 552548, 976054, 1105096, 1952108, 2210192, 3904216, 4420384, 5888251, 7808432, 11776502, 15616864, 23553004, 47106008, 94212016, 188424032, 630042857, 1260085714, 2520171428, 5040342856, 10080685712, 20161371424]

約数ペア:

[(1, 20161371424), (2, 10080685712), (4, 5040342856), (8, 2520171428), (16, 1260085714), (32, 630042857), (107, 188424032), (214, 94212016), (428, 47106008), (856, 23553004), (1291, 15616864), (1712, 11776502), (2582, 7808432), (3424, 5888251), (4561, 4420384), (5164, 3904216), (9122, 2210192), (10328, 1952108), (18244, 1105096), (20656, 976054), (36488, 552548), (41312, 488027), (72976, 276274), (138137, 145952)]