20418846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{486163}}^1$

素因数の和:486175

約数の個数: 16

約数和(自身を含む): 46671744

約数和(自身を除く): 26252898

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 486163, 972326, 1458489, 2916978, 3403141, 6806282, 10209423, 20418846]

約数ペア:

[(1, 20418846), (2, 10209423), (3, 6806282), (6, 3403141), (7, 2916978), (14, 1458489), (21, 972326), (42, 486163)]