20163748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{941}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 38614464

約数和(自身を除く): 18450716

約数列:

[1, 2, 4, 11, 22, 44, 487, 941, 974, 1882, 1948, 3764, 5357, 10351, 10714, 20702, 21428, 41404, 458267, 916534, 1833068, 5040937, 10081874, 20163748]

約数ペア:

[(1, 20163748), (2, 10081874), (4, 5040937), (11, 1833068), (22, 916534), (44, 458267), (487, 41404), (941, 21428), (974, 20702), (1882, 10714), (1948, 10351), (3764, 5357)]