20517505918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{756601}}^1$

素因数の和:756772

約数の個数: 32

約数和(自身を含む): 38132740800

約数和(自身を除く): 17615234882

約数列:

[1, 2, 7, 13, 14, 26, 91, 149, 182, 298, 1043, 1937, 2086, 3874, 13559, 27118, 756601, 1513202, 5296207, 9835813, 10592414, 19671626, 68850691, 112733549, 137701382, 225467098, 789134843, 1465536137, 1578269686, 2931072274, 10258752959, 20517505918]

約数ペア:

[(1, 20517505918), (2, 10258752959), (7, 2931072274), (13, 1578269686), (14, 1465536137), (26, 789134843), (91, 225467098), (149, 137701382), (182, 112733549), (298, 68850691), (1043, 19671626), (1937, 10592414), (2086, 9835813), (3874, 5296207), (13559, 1513202), (27118, 756601)]