54018020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{385843}}^1$

素因数の和:385859

約数の個数: 24

約数和(自身を含む): 129643584

約数和(自身を除く): 75625564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 385843, 771686, 1543372, 1929215, 2700901, 3858430, 5401802, 7716860, 10803604, 13504505, 27009010, 54018020]

約数ペア:

[(1, 54018020), (2, 27009010), (4, 13504505), (5, 10803604), (7, 7716860), (10, 5401802), (14, 3858430), (20, 2700901), (28, 1929215), (35, 1543372), (70, 771686), (140, 385843)]