20228535

素因数分解:

$3^5\times 5^1\times {\mathrm{16649}}^1$

素因数の和:16669

約数の個数: 24

約数和(自身を含む): 36363600

約数和(自身を除く): 16135065

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16649, 49947, 83245, 149841, 249735, 449523, 749205, 1348569, 2247615, 4045707, 6742845, 20228535]

約数ペア:

[(1, 20228535), (3, 6742845), (5, 4045707), (9, 2247615), (15, 1348569), (27, 749205), (45, 449523), (81, 249735), (135, 149841), (243, 83245), (405, 49947), (1215, 16649)]