20011144

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9511}}^1$

素因数の和:9780

約数の個数: 16

約数和(自身を含む): 37667520

約数和(自身を除く): 17656376

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9511, 19022, 38044, 76088, 2501393, 5002786, 10005572, 20011144]

約数ペア:

[(1, 20011144), (2, 10005572), (4, 5002786), (8, 2501393), (263, 76088), (526, 38044), (1052, 19022), (2104, 9511)]