20603912

素因数分解:

$2^3\times 7^2\times {\mathrm{52561}}^1$

素因数の和:52581

約数の個数: 24

約数和(自身を含む): 44940510

約数和(自身を除く): 24336598

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52561, 105122, 210244, 367927, 420488, 735854, 1471708, 2575489, 2943416, 5150978, 10301956, 20603912]

約数ペア:

[(1, 20603912), (2, 10301956), (4, 5150978), (7, 2943416), (8, 2575489), (14, 1471708), (28, 735854), (49, 420488), (56, 367927), (98, 210244), (196, 105122), (392, 52561)]