20352020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78277}}^1$

素因数の和:78299

約数の個数: 24

約数和(自身を含む): 46027464

約数和(自身を除く): 25675444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78277, 156554, 313108, 391385, 782770, 1017601, 1565540, 2035202, 4070404, 5088005, 10176010, 20352020]

約数ペア:

[(1, 20352020), (2, 10176010), (4, 5088005), (5, 4070404), (10, 2035202), (13, 1565540), (20, 1017601), (26, 782770), (52, 391385), (65, 313108), (130, 156554), (260, 78277)]