20883675

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{907}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 34678336

約数和(自身を除く): 13794661

約数列:

[1, 3, 5, 15, 25, 75, 307, 907, 921, 1535, 2721, 4535, 4605, 7675, 13605, 22675, 23025, 68025, 278449, 835347, 1392245, 4176735, 6961225, 20883675]

約数ペア:

[(1, 20883675), (3, 6961225), (5, 4176735), (15, 1392245), (25, 835347), (75, 278449), (307, 68025), (907, 23025), (921, 22675), (1535, 13605), (2721, 7675), (4535, 4605)]