20352549

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3449}}^1$

素因数の和:3740

約数の個数: 16

約数和(自身を含む): 31132800

約数和(自身を除く): 10780251

約数列:

[1, 3, 7, 21, 281, 843, 1967, 3449, 5901, 10347, 24143, 72429, 969169, 2907507, 6784183, 20352549]

約数ペア:

[(1, 20352549), (3, 6784183), (7, 2907507), (21, 969169), (281, 72429), (843, 24143), (1967, 10347), (3449, 5901)]