20284750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18634130

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 1979, 2050, 3958, 5125, 9895, 10250, 19790, 49475, 81139, 98950, 162278, 247375, 405695, 494750, 811390, 2028475, 4056950, 10142375, 20284750]

約数ペア:

[(1, 20284750), (2, 10142375), (5, 4056950), (10, 2028475), (25, 811390), (41, 494750), (50, 405695), (82, 247375), (125, 162278), (205, 98950), (250, 81139), (410, 49475), (1025, 19790), (1979, 10250), (2050, 9895), (3958, 5125)]