20856136

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7027}}^1$

素因数の和:7093

約数の個数: 32

約数和(自身を含む): 45541440

約数和(自身を除く): 24685304

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7027, 14054, 28108, 49189, 56216, 98378, 196756, 372431, 393512, 744862, 1489724, 2607017, 2979448, 5214034, 10428068, 20856136]

約数ペア:

[(1, 20856136), (2, 10428068), (4, 5214034), (7, 2979448), (8, 2607017), (14, 1489724), (28, 744862), (53, 393512), (56, 372431), (106, 196756), (212, 98378), (371, 56216), (424, 49189), (742, 28108), (1484, 14054), (2968, 7027)]