20760575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6863}}^1$

素因数の和:6895

約数の個数: 18

約数和(自身を含む): 28300272

約数和(自身を除く): 7539697

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6863, 34315, 75493, 171575, 377465, 830423, 1887325, 4152115, 20760575]

約数ペア:

[(1, 20760575), (5, 4152115), (11, 1887325), (25, 830423), (55, 377465), (121, 171575), (275, 75493), (605, 34315), (3025, 6863)]