20658375

素因数分解:

$3^3\times 5^3\times {\mathrm{6121}}^1$

素因数の和:6145

約数の個数: 32

約数和(自身を含む): 38201280

約数和(自身を除く): 17542905

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6121, 18363, 30605, 55089, 91815, 153025, 165267, 275445, 459075, 765125, 826335, 1377225, 2295375, 4131675, 6886125, 20658375]

約数ペア:

[(1, 20658375), (3, 6886125), (5, 4131675), (9, 2295375), (15, 1377225), (25, 826335), (27, 765125), (45, 459075), (75, 275445), (125, 165267), (135, 153025), (225, 91815), (375, 55089), (675, 30605), (1125, 18363), (3375, 6121)]