20439306

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3163}}^1$

素因数の和:3530

約数の個数: 24

約数和(自身を含む): 44422560

約数和(自身を除く): 23983254

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3163, 3231, 6326, 6462, 9489, 18978, 28467, 56934, 1135517, 2271034, 3406551, 6813102, 10219653, 20439306]

約数ペア:

[(1, 20439306), (2, 10219653), (3, 6813102), (6, 3406551), (9, 2271034), (18, 1135517), (359, 56934), (718, 28467), (1077, 18978), (2154, 9489), (3163, 6462), (3231, 6326)]