20193171856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{52223}}^1$

素因数の和:52281

約数の個数: 80

約数和(自身を含む): 46237040640

約数和(自身を除く): 26043868784

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 572, 676, 1144, 1352, 1859, 2197, 2288, 2704, 3718, 4394, 7436, 8788, 14872, 17576, 24167, 29744, 35152, 48334, 52223, 96668, 104446, 193336, 208892, 386672, 417784, 574453, 678899, 835568, 1148906, 1357798, 2297812, 2715596, 4595624, 5431192, 7467889, 8825687, 9191248, 10862384, 14935778, 17651374, 29871556, 35302748, 59743112, 70605496, 97082557, 114733931, 119486224, 141210992, 194165114, 229467862, 388330228, 458935724, 776660456, 917871448, 1262073241, 1553320912, 1835742896, 2524146482, 5048292964, 10096585928, 20193171856]

約数ペア:

[(1, 20193171856), (2, 10096585928), (4, 5048292964), (8, 2524146482), (11, 1835742896), (13, 1553320912), (16, 1262073241), (22, 917871448), (26, 776660456), (44, 458935724), (52, 388330228), (88, 229467862), (104, 194165114), (143, 141210992), (169, 119486224), (176, 114733931), (208, 97082557), (286, 70605496), (338, 59743112), (572, 35302748), (676, 29871556), (1144, 17651374), (1352, 14935778), (1859, 10862384), (2197, 9191248), (2288, 8825687), (2704, 7467889), (3718, 5431192), (4394, 4595624), (7436, 2715596), (8788, 2297812), (14872, 1357798), (17576, 1148906), (24167, 835568), (29744, 678899), (35152, 574453), (48334, 417784), (52223, 386672), (96668, 208892), (104446, 193336)]