20512166542

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1297}}^1\times {\mathrm{1709}}^1$

素因数の和:3676

約数の個数: 32

約数和(自身を含む): 35264687040

約数和(自身を除く): 14752520498

約数列:

[1, 2, 7, 14, 661, 1297, 1322, 1709, 2594, 3418, 4627, 9079, 9254, 11963, 18158, 23926, 857317, 1129649, 1714634, 2216573, 2259298, 4433146, 6001219, 7907543, 12002438, 15516011, 15815086, 31032022, 1465154753, 2930309506, 10256083271, 20512166542]

約数ペア:

[(1, 20512166542), (2, 10256083271), (7, 2930309506), (14, 1465154753), (661, 31032022), (1297, 15815086), (1322, 15516011), (1709, 12002438), (2594, 7907543), (3418, 6001219), (4627, 4433146), (9079, 2259298), (9254, 2216573), (11963, 1714634), (18158, 1129649), (23926, 857317)]