20756325

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 34645600

約数和(自身を除く): 13889275

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2539, 2725, 7617, 8175, 12695, 38085, 63475, 190425, 276751, 830253, 1383755, 4151265, 6918775, 20756325]

約数ペア:

[(1, 20756325), (3, 6918775), (5, 4151265), (15, 1383755), (25, 830253), (75, 276751), (109, 190425), (327, 63475), (545, 38085), (1635, 12695), (2539, 8175), (2725, 7617)]