20512395945

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1\times {\mathrm{7487}}^1$

素因数の和:8174

約数の個数: 48

約数和(自身を含む): 35954979840

約数和(自身を除く): 15442583895

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 569, 963, 1605, 1707, 2845, 4815, 5121, 7487, 8535, 22461, 25605, 37435, 60883, 67383, 112305, 182649, 304415, 336915, 547947, 801109, 913245, 2403327, 2739735, 4005545, 4260103, 7209981, 12016635, 12780309, 21300515, 36049905, 38340927, 63901545, 191704635, 455831021, 1367493063, 2279155105, 4102479189, 6837465315, 20512395945]

約数ペア:

[(1, 20512395945), (3, 6837465315), (5, 4102479189), (9, 2279155105), (15, 1367493063), (45, 455831021), (107, 191704635), (321, 63901545), (535, 38340927), (569, 36049905), (963, 21300515), (1605, 12780309), (1707, 12016635), (2845, 7209981), (4815, 4260103), (5121, 4005545), (7487, 2739735), (8535, 2403327), (22461, 913245), (25605, 801109), (37435, 547947), (60883, 336915), (67383, 304415), (112305, 182649)]