20536724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3691}}^1$

素因数の和:3815

約数の個数: 24

約数和(自身を含む): 39076128

約数和(自身を除く): 18539404

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3691, 5564, 7382, 14764, 47983, 95966, 191932, 394937, 789874, 1579748, 5134181, 10268362, 20536724]

約数ペア:

[(1, 20536724), (2, 10268362), (4, 5134181), (13, 1579748), (26, 789874), (52, 394937), (107, 191932), (214, 95966), (428, 47983), (1391, 14764), (2782, 7382), (3691, 5564)]