20803431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27409}}^1$

素因数の和:27446

約数の個数: 16

約数和(自身を含む): 31576320

約数和(自身を除く): 10772889

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27409, 82227, 301499, 630407, 904497, 1891221, 6934477, 20803431]

約数ペア:

[(1, 20803431), (3, 6934477), (11, 1891221), (23, 904497), (33, 630407), (69, 301499), (253, 82227), (759, 27409)]