20589525

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 42854400

約数和(自身を除く): 22264875

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 47, 55, 59, 75, 99, 135, 141, 165, 177, 225, 235, 275, 295, 297, 423, 495, 517, 531, 649, 675, 705, 825, 885, 1175, 1269, 1475, 1485, 1551, 1593, 1947, 2115, 2475, 2585, 2655, 2773, 3245, 3525, 4425, 4653, 5841, 6345, 7425, 7755, 7965, 8319, 9735, 10575, 12925, 13275, 13865, 13959, 16225, 17523, 23265, 24957, 29205, 30503, 31725, 38775, 39825, 41595, 48675, 69325, 69795, 74871, 87615, 91509, 116325, 124785, 146025, 152515, 207975, 274527, 348975, 374355, 438075, 457545, 623925, 762575, 823581, 1372635, 1871775, 2287725, 4117905, 6863175, 20589525]

約数ペア:

[(1, 20589525), (3, 6863175), (5, 4117905), (9, 2287725), (11, 1871775), (15, 1372635), (25, 823581), (27, 762575), (33, 623925), (45, 457545), (47, 438075), (55, 374355), (59, 348975), (75, 274527), (99, 207975), (135, 152515), (141, 146025), (165, 124785), (177, 116325), (225, 91509), (235, 87615), (275, 74871), (295, 69795), (297, 69325), (423, 48675), (495, 41595), (517, 39825), (531, 38775), (649, 31725), (675, 30503), (705, 29205), (825, 24957), (885, 23265), (1175, 17523), (1269, 16225), (1475, 13959), (1485, 13865), (1551, 13275), (1593, 12925), (1947, 10575), (2115, 9735), (2475, 8319), (2585, 7965), (2655, 7755), (2773, 7425), (3245, 6345), (3525, 5841), (4425, 4653)]