20894105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 26657424

約数和(自身を除く): 5763319

約数列:

[1, 5, 17, 85, 401, 613, 2005, 3065, 6817, 10421, 34085, 52105, 245813, 1229065, 4178821, 20894105]

約数ペア:

[(1, 20894105), (5, 4178821), (17, 1229065), (85, 245813), (401, 52105), (613, 34085), (2005, 10421), (3065, 6817)]