23781620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10909}}^1$

素因数の和:11027

約数の個数: 24

約数和(自身を含む): 50404200

約数和(自身を除く): 26622580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10909, 21818, 43636, 54545, 109090, 218180, 1189081, 2378162, 4756324, 5945405, 11890810, 23781620]

約数ペア:

[(1, 23781620), (2, 11890810), (4, 5945405), (5, 4756324), (10, 2378162), (20, 1189081), (109, 218180), (218, 109090), (436, 54545), (545, 43636), (1090, 21818), (2180, 10909)]