20138264552

素因数分解:

$2^3\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{272227}}^1$

素因数の和:273561

約数の個数: 32

約数和(自身を含む): 43186249920

約数和(自身を除く): 23047985368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1321, 2642, 5284, 9247, 10568, 18494, 36988, 73976, 272227, 544454, 1088908, 1905589, 2177816, 3811178, 7622356, 15244712, 359611867, 719223734, 1438447468, 2517283069, 2876894936, 5034566138, 10069132276, 20138264552]

約数ペア:

[(1, 20138264552), (2, 10069132276), (4, 5034566138), (7, 2876894936), (8, 2517283069), (14, 1438447468), (28, 719223734), (56, 359611867), (1321, 15244712), (2642, 7622356), (5284, 3811178), (9247, 2177816), (10568, 1905589), (18494, 1088908), (36988, 544454), (73976, 272227)]