20791812

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16193}}^1$

素因数の和:16307

約数の個数: 24

約数和(自身を含む): 48970656

約数和(自身を除く): 28178844

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16193, 32386, 48579, 64772, 97158, 194316, 1732651, 3465302, 5197953, 6930604, 10395906, 20791812]

約数ペア:

[(1, 20791812), (2, 10395906), (3, 6930604), (4, 5197953), (6, 3465302), (12, 1732651), (107, 194316), (214, 97158), (321, 64772), (428, 48579), (642, 32386), (1284, 16193)]