20522481

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22727}}^1$

素因数の和:22780

約数の個数: 16

約数和(自身を含む): 32001024

約数和(自身を除く): 11478543

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22727, 68181, 159089, 477267, 977261, 2931783, 6840827, 20522481]

約数ペア:

[(1, 20522481), (3, 6840827), (7, 2931783), (21, 977261), (43, 477267), (129, 159089), (301, 68181), (903, 22727)]