20189798848

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{63131}}^1$

素因数の和:63425

約数の個数: 56

約数和(自身を含む): 42333793920

約数和(自身を除く): 22143995072

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 263, 304, 526, 608, 1052, 1216, 2104, 4208, 4997, 8416, 9994, 16832, 19988, 39976, 63131, 79952, 126262, 159904, 252524, 319808, 505048, 1010096, 1199489, 2020192, 2398978, 4040384, 4797956, 9595912, 16603453, 19191824, 33206906, 38383648, 66413812, 76767296, 132827624, 265655248, 315465607, 531310496, 630931214, 1062620992, 1261862428, 2523724856, 5047449712, 10094899424, 20189798848]

約数ペア:

[(1, 20189798848), (2, 10094899424), (4, 5047449712), (8, 2523724856), (16, 1261862428), (19, 1062620992), (32, 630931214), (38, 531310496), (64, 315465607), (76, 265655248), (152, 132827624), (263, 76767296), (304, 66413812), (526, 38383648), (608, 33206906), (1052, 19191824), (1216, 16603453), (2104, 9595912), (4208, 4797956), (4997, 4040384), (8416, 2398978), (9994, 2020192), (16832, 1199489), (19988, 1010096), (39976, 505048), (63131, 319808), (79952, 252524), (126262, 159904)]