20756372

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 24402028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 364, 449, 508, 889, 898, 1651, 1778, 1796, 3143, 3302, 3556, 5837, 6286, 6604, 11557, 11674, 12572, 23114, 23348, 40859, 46228, 57023, 81718, 114046, 163436, 228092, 399161, 741299, 798322, 1482598, 1596644, 2965196, 5189093, 10378186, 20756372]

約数ペア:

[(1, 20756372), (2, 10378186), (4, 5189093), (7, 2965196), (13, 1596644), (14, 1482598), (26, 798322), (28, 741299), (52, 399161), (91, 228092), (127, 163436), (182, 114046), (254, 81718), (364, 57023), (449, 46228), (508, 40859), (889, 23348), (898, 23114), (1651, 12572), (1778, 11674), (1796, 11557), (3143, 6604), (3302, 6286), (3556, 5837)]