20867508

素因数分解:

$2^2\times 3^2\times {\mathrm{579653}}^1$

素因数の和:579663

約数の個数: 18

約数和(自身を含む): 52748514

約数和(自身を除く): 31881006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 579653, 1159306, 1738959, 2318612, 3477918, 5216877, 6955836, 10433754, 20867508]

約数ペア:

[(1, 20867508), (2, 10433754), (3, 6955836), (4, 5216877), (6, 3477918), (9, 2318612), (12, 1738959), (18, 1159306), (36, 579653)]