20557296

素因数分解:

$2^4\times 3^2\times {\mathrm{142759}}^1$

素因数の和:142773

約数の個数: 30

約数和(自身を含む): 57532280

約数和(自身を除く): 36974984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142759, 285518, 428277, 571036, 856554, 1142072, 1284831, 1713108, 2284144, 2569662, 3426216, 5139324, 6852432, 10278648, 20557296]

約数ペア:

[(1, 20557296), (2, 10278648), (3, 6852432), (4, 5139324), (6, 3426216), (8, 2569662), (9, 2284144), (12, 1713108), (16, 1284831), (18, 1142072), (24, 856554), (36, 571036), (48, 428277), (72, 285518), (144, 142759)]