20744008

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23789}}^1$

素因数の和:23904

約数の個数: 16

約数和(自身を含む): 39253500

約数和(自身を除く): 18509492

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23789, 47578, 95156, 190312, 2593001, 5186002, 10372004, 20744008]

約数ペア:

[(1, 20744008), (2, 10372004), (4, 5186002), (8, 2593001), (109, 190312), (218, 95156), (436, 47578), (872, 23789)]