20802138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495289}}^1$

素因数の和:495301

約数の個数: 16

約数和(自身を含む): 47547840

約数和(自身を除く): 26745702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495289, 990578, 1485867, 2971734, 3467023, 6934046, 10401069, 20802138]

約数ペア:

[(1, 20802138), (2, 10401069), (3, 6934046), (6, 3467023), (7, 2971734), (14, 1485867), (21, 990578), (42, 495289)]