20088992

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 31004512

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 224, 248, 263, 308, 341, 352, 434, 496, 526, 616, 682, 868, 992, 1052, 1232, 1364, 1736, 1841, 2104, 2387, 2464, 2728, 2893, 3472, 3682, 4208, 4774, 5456, 5786, 6944, 7364, 8153, 8416, 9548, 10912, 11572, 14728, 16306, 19096, 20251, 23144, 29456, 32612, 38192, 40502, 46288, 57071, 58912, 65224, 76384, 81004, 89683, 92576, 114142, 130448, 162008, 179366, 228284, 260896, 324016, 358732, 456568, 627781, 648032, 717464, 913136, 1255562, 1434928, 1826272, 2511124, 2869856, 5022248, 10044496, 20088992]

約数ペア:

[(1, 20088992), (2, 10044496), (4, 5022248), (7, 2869856), (8, 2511124), (11, 1826272), (14, 1434928), (16, 1255562), (22, 913136), (28, 717464), (31, 648032), (32, 627781), (44, 456568), (56, 358732), (62, 324016), (77, 260896), (88, 228284), (112, 179366), (124, 162008), (154, 130448), (176, 114142), (217, 92576), (224, 89683), (248, 81004), (263, 76384), (308, 65224), (341, 58912), (352, 57071), (434, 46288), (496, 40502), (526, 38192), (616, 32612), (682, 29456), (868, 23144), (992, 20251), (1052, 19096), (1232, 16306), (1364, 14728), (1736, 11572), (1841, 10912), (2104, 9548), (2387, 8416), (2464, 8153), (2728, 7364), (2893, 6944), (3472, 5786), (3682, 5456), (4208, 4774)]