20123930408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1\times {\mathrm{2837}}^1$

素因数の和:4914

約数の個数: 64

約数和(自身を含む): 41480208000

約数和(自身を除く): 21356277592

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 2029, 2837, 3496, 4058, 5674, 8116, 11348, 16232, 22696, 38551, 46667, 53903, 65251, 77102, 93334, 107806, 130502, 154204, 186668, 215612, 261004, 308408, 373336, 431224, 522008, 886673, 1239769, 1773346, 2479538, 3546692, 4959076, 5756273, 7093384, 9918152, 11512546, 23025092, 46050184, 109369187, 132394279, 218738374, 264788558, 437476748, 529577116, 874953496, 1059154232, 2515491301, 5030982602, 10061965204, 20123930408]

約数ペア:

[(1, 20123930408), (2, 10061965204), (4, 5030982602), (8, 2515491301), (19, 1059154232), (23, 874953496), (38, 529577116), (46, 437476748), (76, 264788558), (92, 218738374), (152, 132394279), (184, 109369187), (437, 46050184), (874, 23025092), (1748, 11512546), (2029, 9918152), (2837, 7093384), (3496, 5756273), (4058, 4959076), (5674, 3546692), (8116, 2479538), (11348, 1773346), (16232, 1239769), (22696, 886673), (38551, 522008), (46667, 431224), (53903, 373336), (65251, 308408), (77102, 261004), (93334, 215612), (107806, 186668), (130502, 154204)]