20850495

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4441}}^1$

素因数の和:4762

約数の個数: 16

約数和(自身を含む): 33474912

約数和(自身を除く): 12624417

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4441, 4695, 13323, 22205, 66615, 1390033, 4170099, 6950165, 20850495]

約数ペア:

[(1, 20850495), (3, 6950165), (5, 4170099), (15, 1390033), (313, 66615), (939, 22205), (1565, 13323), (4441, 4695)]