13924420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16981}}^1$

素因数の和:17031

約数の個数: 24

約数和(自身を含む): 29956248

約数和(自身を除く): 16031828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16981, 33962, 67924, 84905, 169810, 339620, 696221, 1392442, 2784884, 3481105, 6962210, 13924420]

約数ペア:

[(1, 13924420), (2, 6962210), (4, 3481105), (5, 2784884), (10, 1392442), (20, 696221), (41, 339620), (82, 169810), (164, 84905), (205, 67924), (410, 33962), (820, 16981)]