20843289

素因数分解:

$3^2\times {\mathrm{421}}^1\times {\mathrm{5501}}^1$

素因数の和:5928

約数の個数: 12

約数和(自身を含む): 30183972

約数和(自身を除く): 9340683

約数列:

[1, 3, 9, 421, 1263, 3789, 5501, 16503, 49509, 2315921, 6947763, 20843289]

約数ペア:

[(1, 20843289), (3, 6947763), (9, 2315921), (421, 49509), (1263, 16503), (3789, 5501)]