20327775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20849}}^1$

素因数の和:20875

約数の個数: 24

約数和(自身を含む): 36195600

約数和(自身を除く): 15867825

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20849, 62547, 104245, 271037, 312735, 521225, 813111, 1355185, 1563675, 4065555, 6775925, 20327775]

約数ペア:

[(1, 20327775), (3, 6775925), (5, 4065555), (13, 1563675), (15, 1355185), (25, 813111), (39, 521225), (65, 312735), (75, 271037), (195, 104245), (325, 62547), (975, 20849)]