20768864

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6691}}^1$

素因数の和:6798

約数の個数: 24

約数和(自身を含む): 41316408

約数和(自身を除く): 20547544

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6691, 13382, 26764, 53528, 107056, 214112, 649027, 1298054, 2596108, 5192216, 10384432, 20768864]

約数ペア:

[(1, 20768864), (2, 10384432), (4, 5192216), (8, 2596108), (16, 1298054), (32, 649027), (97, 214112), (194, 107056), (388, 53528), (776, 26764), (1552, 13382), (3104, 6691)]