20872623

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 28296576

約数和(自身を除く): 7423953

約数列:

[1, 3, 131, 173, 307, 393, 519, 921, 22663, 40217, 53111, 67989, 120651, 159333, 6957541, 20872623]

約数ペア:

[(1, 20872623), (3, 6957541), (131, 159333), (173, 120651), (307, 67989), (393, 53111), (519, 40217), (921, 22663)]