20744343

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5449}}^1$

素因数の和:5508

約数の個数: 20

約数和(自身を含む): 31653600

約数和(自身を除く): 10909257

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5449, 16347, 49041, 147123, 256103, 441369, 768309, 2304927, 6914781, 20744343]

約数ペア:

[(1, 20744343), (3, 6914781), (9, 2304927), (27, 768309), (47, 441369), (81, 256103), (141, 147123), (423, 49041), (1269, 16347), (3807, 5449)]