20698866

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 48859200

約数和(自身を除く): 28160334

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2087, 3306, 4174, 4959, 6261, 9918, 12522, 18783, 37566, 39653, 60523, 79306, 118959, 121046, 181569, 237918, 356877, 363138, 544707, 713754, 1089414, 1149937, 2299874, 3449811, 6899622, 10349433, 20698866]

約数ペア:

[(1, 20698866), (2, 10349433), (3, 6899622), (6, 3449811), (9, 2299874), (18, 1149937), (19, 1089414), (29, 713754), (38, 544707), (57, 363138), (58, 356877), (87, 237918), (114, 181569), (171, 121046), (174, 118959), (261, 79306), (342, 60523), (522, 39653), (551, 37566), (1102, 18783), (1653, 12522), (2087, 9918), (3306, 6261), (4174, 4959)]