20071245

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2081}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 32179392

約数和(自身を除く): 12108147

約数列:

[1, 3, 5, 15, 643, 1929, 2081, 3215, 6243, 9645, 10405, 31215, 1338083, 4014249, 6690415, 20071245]

約数ペア:

[(1, 20071245), (3, 6690415), (5, 4014249), (15, 1338083), (643, 31215), (1929, 10405), (2081, 9645), (3215, 6243)]