20348086460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78261871}}^1$

素因数の和:78261893

約数の個数: 24

約数和(自身を含む): 46017980736

約数和(自身を除く): 25669894276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78261871, 156523742, 313047484, 391309355, 782618710, 1017404323, 1565237420, 2034808646, 4069617292, 5087021615, 10174043230, 20348086460]

約数ペア:

[(1, 20348086460), (2, 10174043230), (4, 5087021615), (5, 4069617292), (10, 2034808646), (13, 1565237420), (20, 1017404323), (26, 782618710), (52, 391309355), (65, 313047484), (130, 156523742), (260, 78261871)]