20806460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14251}}^1$

素因数の和:14333

約数の個数: 24

約数和(自身を含む): 44295216

約数和(自身を除く): 23488756

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14251, 28502, 57004, 71255, 142510, 285020, 1040323, 2080646, 4161292, 5201615, 10403230, 20806460]

約数ペア:

[(1, 20806460), (2, 10403230), (4, 5201615), (5, 4161292), (10, 2080646), (20, 1040323), (73, 285020), (146, 142510), (292, 71255), (365, 57004), (730, 28502), (1460, 14251)]