20904184

素因数分解:

$2^3\times 7^2\times {\mathrm{53327}}^1$

素因数の和:53347

約数の個数: 24

約数和(自身を含む): 45595440

約数和(自身を除く): 24691256

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53327, 106654, 213308, 373289, 426616, 746578, 1493156, 2613023, 2986312, 5226046, 10452092, 20904184]

約数ペア:

[(1, 20904184), (2, 10452092), (4, 5226046), (7, 2986312), (8, 2613023), (14, 1493156), (28, 746578), (49, 426616), (56, 373289), (98, 213308), (196, 106654), (392, 53327)]