20155844

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{46229}}^1$

素因数の和:46342

約数の個数: 12

約数和(自身を含む): 35597100

約数和(自身を除く): 15441256

約数列:

[1, 2, 4, 109, 218, 436, 46229, 92458, 184916, 5038961, 10077922, 20155844]

約数ペア:

[(1, 20155844), (2, 10077922), (4, 5038961), (109, 184916), (218, 92458), (436, 46229)]