20630896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 27366032

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 127, 142, 143, 176, 208, 254, 284, 286, 508, 568, 572, 781, 923, 1016, 1136, 1144, 1397, 1562, 1651, 1846, 2032, 2288, 2794, 3124, 3302, 3692, 5588, 6248, 6604, 7384, 9017, 10153, 11176, 12496, 13208, 14768, 18034, 18161, 20306, 22352, 26416, 36068, 36322, 40612, 72136, 72644, 81224, 99187, 117221, 144272, 145288, 162448, 198374, 234442, 290576, 396748, 468884, 793496, 937768, 1289431, 1586992, 1875536, 2578862, 5157724, 10315448, 20630896]

約数ペア:

[(1, 20630896), (2, 10315448), (4, 5157724), (8, 2578862), (11, 1875536), (13, 1586992), (16, 1289431), (22, 937768), (26, 793496), (44, 468884), (52, 396748), (71, 290576), (88, 234442), (104, 198374), (127, 162448), (142, 145288), (143, 144272), (176, 117221), (208, 99187), (254, 81224), (284, 72644), (286, 72136), (508, 40612), (568, 36322), (572, 36068), (781, 26416), (923, 22352), (1016, 20306), (1136, 18161), (1144, 18034), (1397, 14768), (1562, 13208), (1651, 12496), (1846, 11176), (2032, 10153), (2288, 9017), (2794, 7384), (3124, 6604), (3302, 6248), (3692, 5588)]