20687564859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{12923}}^1\times {\mathrm{41047}}^1$

素因数の和:53986

約数の個数: 16

約数和(自身を含む): 29708243712

約数和(自身を除く): 9020678853

約数列:

[1, 3, 13, 39, 12923, 38769, 41047, 123141, 167999, 503997, 533611, 1600833, 530450381, 1591351143, 6895854953, 20687564859]

約数ペア:

[(1, 20687564859), (3, 6895854953), (13, 1591351143), (39, 530450381), (12923, 1600833), (38769, 533611), (41047, 503997), (123141, 167999)]