20726462

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{643}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 31715712

約数和(自身を除く): 10989250

約数列:

[1, 2, 71, 142, 227, 454, 643, 1286, 16117, 32234, 45653, 91306, 145961, 291922, 10363231, 20726462]

約数ペア:

[(1, 20726462), (2, 10363231), (71, 291922), (142, 145961), (227, 91306), (454, 45653), (643, 32234), (1286, 16117)]