20664297

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 30551040

約数和(自身を除く): 9886743

約数列:

[1, 3, 9, 101, 127, 179, 303, 381, 537, 909, 1143, 1611, 12827, 18079, 22733, 38481, 54237, 68199, 115443, 162711, 204597, 2296033, 6888099, 20664297]

約数ペア:

[(1, 20664297), (3, 6888099), (9, 2296033), (101, 204597), (127, 162711), (179, 115443), (303, 68199), (381, 54237), (537, 38481), (909, 22733), (1143, 18079), (1611, 12827)]