20249725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 26784000

約数和(自身を除く): 6534275

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 479, 1691, 2225, 2395, 8455, 9101, 11975, 42275, 42631, 45505, 213155, 227525, 809989, 1065775, 4049945, 20249725]

約数ペア:

[(1, 20249725), (5, 4049945), (19, 1065775), (25, 809989), (89, 227525), (95, 213155), (445, 45505), (475, 42631), (479, 42275), (1691, 11975), (2225, 9101), (2395, 8455)]