20384744

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 39131400

約数和(自身を除く): 18746656

約数列:

[1, 2, 4, 8, 97, 109, 194, 218, 241, 388, 436, 482, 776, 872, 964, 1928, 10573, 21146, 23377, 26269, 42292, 46754, 52538, 84584, 93508, 105076, 187016, 210152, 2548093, 5096186, 10192372, 20384744]

約数ペア:

[(1, 20384744), (2, 10192372), (4, 5096186), (8, 2548093), (97, 210152), (109, 187016), (194, 105076), (218, 93508), (241, 84584), (388, 52538), (436, 46754), (482, 42292), (776, 26269), (872, 23377), (964, 21146), (1928, 10573)]