20510133

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7129}}^1$

素因数の和:7276

約数の個数: 16

約数和(自身を含む): 31486080

約数和(自身を除く): 10975947

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 7129, 21387, 49903, 149709, 976673, 2930019, 6836711, 20510133]

約数ペア:

[(1, 20510133), (3, 6836711), (7, 2930019), (21, 976673), (137, 149709), (411, 49903), (959, 21387), (2877, 7129)]