20483211

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20753}}^1$

素因数の和:20810

約数の個数: 16

約数和(自身を含む): 31878144

約数和(自身を除く): 11394933

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20753, 62259, 145271, 435813, 975391, 2926173, 6827737, 20483211]

約数ペア:

[(1, 20483211), (3, 6827737), (7, 2926173), (21, 975391), (47, 435813), (141, 145271), (329, 62259), (987, 20753)]