20138888

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{32693}}^1$

素因数の和:32717

約数の個数: 32

約数和(自身を含む): 47079360

約数和(自身を除く): 26940472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 32693, 65386, 130772, 228851, 261544, 359623, 457702, 719246, 915404, 1438492, 1830808, 2517361, 2876984, 5034722, 10069444, 20138888]

約数ペア:

[(1, 20138888), (2, 10069444), (4, 5034722), (7, 2876984), (8, 2517361), (11, 1830808), (14, 1438492), (22, 915404), (28, 719246), (44, 457702), (56, 359623), (77, 261544), (88, 228851), (154, 130772), (308, 65386), (616, 32693)]