20641806

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26669}}^1$

素因数の和:26720

約数の個数: 24

約数和(自身を含む): 45765720

約数和(自身を除く): 25123914

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26669, 53338, 80007, 160014, 240021, 480042, 1146767, 2293534, 3440301, 6880602, 10320903, 20641806]

約数ペア:

[(1, 20641806), (2, 10320903), (3, 6880602), (6, 3440301), (9, 2293534), (18, 1146767), (43, 480042), (86, 240021), (129, 160014), (258, 80007), (387, 53338), (774, 26669)]