20356029

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5347}}^1$

素因数の和:5406

約数の個数: 20

約数和(自身を含む): 31061184

約数和(自身を除く): 10705155

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5347, 16041, 48123, 144369, 251309, 433107, 753927, 2261781, 6785343, 20356029]

約数ペア:

[(1, 20356029), (3, 6785343), (9, 2261781), (27, 753927), (47, 433107), (81, 251309), (141, 144369), (423, 48123), (1269, 16041), (3807, 5347)]