13864916180

素因数分解:

$2^2\times 5^1\times {\mathrm{693245809}}^1$

素因数の和:693245818

約数の個数: 12

約数和(自身を含む): 29116324020

約数和(自身を除く): 15251407840

約数列:

[1, 2, 4, 5, 10, 20, 693245809, 1386491618, 2772983236, 3466229045, 6932458090, 13864916180]

約数ペア:

[(1, 13864916180), (2, 6932458090), (4, 3466229045), (5, 2772983236), (10, 1386491618), (20, 693245809)]