20988208

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5443}}^1$

素因数の和:5692

約数の個数: 20

約数和(自身を含む): 40840888

約数和(自身を除く): 19852680

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5443, 10886, 21772, 43544, 87088, 1311763, 2623526, 5247052, 10494104, 20988208]

約数ペア:

[(1, 20988208), (2, 10494104), (4, 5247052), (8, 2623526), (16, 1311763), (241, 87088), (482, 43544), (964, 21772), (1928, 10886), (3856, 5443)]