20651824

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{3517}}^1$

素因数の和:3892

約数の個数: 20

約数和(自身を含む): 40133344

約数和(自身を除く): 19481520

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 3517, 5872, 7034, 14068, 28136, 56272, 1290739, 2581478, 5162956, 10325912, 20651824]

約数ペア:

[(1, 20651824), (2, 10325912), (4, 5162956), (8, 2581478), (16, 1290739), (367, 56272), (734, 28136), (1468, 14068), (2936, 7034), (3517, 5872)]