20331075

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{883}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 33761728

約数和(自身を除く): 13430653

約数列:

[1, 3, 5, 15, 25, 75, 307, 883, 921, 1535, 2649, 4415, 4605, 7675, 13245, 22075, 23025, 66225, 271081, 813243, 1355405, 4066215, 6777025, 20331075]

約数ペア:

[(1, 20331075), (3, 6777025), (5, 4066215), (15, 1355405), (25, 813243), (75, 271081), (307, 66225), (883, 23025), (921, 22075), (1535, 13245), (2649, 7675), (4415, 4605)]