20109232

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 49871808

約数和(自身を除く): 29762576

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 47, 52, 68, 88, 94, 104, 121, 136, 143, 176, 187, 188, 208, 221, 242, 272, 286, 374, 376, 442, 484, 517, 572, 611, 748, 752, 799, 884, 968, 1034, 1144, 1222, 1496, 1573, 1598, 1768, 1936, 2057, 2068, 2288, 2431, 2444, 2992, 3146, 3196, 3536, 4114, 4136, 4862, 4888, 5687, 6292, 6392, 6721, 8228, 8272, 8789, 9724, 9776, 10387, 11374, 12584, 12784, 13442, 16456, 17578, 19448, 20774, 22748, 25168, 26741, 26884, 32912, 35156, 38896, 41548, 45496, 53482, 53768, 70312, 73931, 83096, 90992, 96679, 106964, 107536, 114257, 140624, 147862, 166192, 193358, 213928, 228514, 295724, 386716, 427856, 457028, 591448, 773432, 914056, 1182896, 1256827, 1546864, 1828112, 2513654, 5027308, 10054616, 20109232]

約数ペア:

[(1, 20109232), (2, 10054616), (4, 5027308), (8, 2513654), (11, 1828112), (13, 1546864), (16, 1256827), (17, 1182896), (22, 914056), (26, 773432), (34, 591448), (44, 457028), (47, 427856), (52, 386716), (68, 295724), (88, 228514), (94, 213928), (104, 193358), (121, 166192), (136, 147862), (143, 140624), (176, 114257), (187, 107536), (188, 106964), (208, 96679), (221, 90992), (242, 83096), (272, 73931), (286, 70312), (374, 53768), (376, 53482), (442, 45496), (484, 41548), (517, 38896), (572, 35156), (611, 32912), (748, 26884), (752, 26741), (799, 25168), (884, 22748), (968, 20774), (1034, 19448), (1144, 17578), (1222, 16456), (1496, 13442), (1573, 12784), (1598, 12584), (1768, 11374), (1936, 10387), (2057, 9776), (2068, 9724), (2288, 8789), (2431, 8272), (2444, 8228), (2992, 6721), (3146, 6392), (3196, 6292), (3536, 5687), (4114, 4888), (4136, 4862)]