20900438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1759}}^1$

素因数の和:2231

約数の個数: 16

約数和(自身を含む): 33855360

約数和(自身を除く): 12954922

約数列:

[1, 2, 13, 26, 457, 914, 1759, 3518, 5941, 11882, 22867, 45734, 803863, 1607726, 10450219, 20900438]

約数ペア:

[(1, 20900438), (2, 10450219), (13, 1607726), (26, 803863), (457, 45734), (914, 22867), (1759, 11882), (3518, 5941)]