20621865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124981}}^1$

素因数の和:125000

約数の個数: 16

約数和(自身を含む): 35994816

約数和(自身を除く): 15372951

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124981, 374943, 624905, 1374791, 1874715, 4124373, 6873955, 20621865]

約数ペア:

[(1, 20621865), (3, 6873955), (5, 4124373), (11, 1874715), (15, 1374791), (33, 624905), (55, 374943), (165, 124981)]