20847585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126349}}^1$

素因数の和:126368

約数の個数: 16

約数和(自身を含む): 36388800

約数和(自身を除く): 15541215

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126349, 379047, 631745, 1389839, 1895235, 4169517, 6949195, 20847585]

約数ペア:

[(1, 20847585), (3, 6949195), (5, 4169517), (11, 1895235), (15, 1389839), (33, 631745), (55, 379047), (165, 126349)]