11387020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1321}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 23986368

約数和(自身を除く): 12599348

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1321, 1724, 2155, 2642, 4310, 5284, 6605, 8620, 13210, 26420, 569351, 1138702, 2277404, 2846755, 5693510, 11387020]

約数ペア:

[(1, 11387020), (2, 5693510), (4, 2846755), (5, 2277404), (10, 1138702), (20, 569351), (431, 26420), (862, 13210), (1321, 8620), (1724, 6605), (2155, 5284), (2642, 4310)]