20899681426

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{177173}}^1$

素因数の和:177550

約数の個数: 24

約数和(自身を含む): 34043984100

約数和(自身を除く): 13144302674

約数列:

[1, 2, 13, 26, 169, 338, 349, 698, 4537, 9074, 58981, 117962, 177173, 354346, 2303249, 4606498, 29942237, 59884474, 61833377, 123666754, 803833901, 1607667802, 10449840713, 20899681426]

約数ペア:

[(1, 20899681426), (2, 10449840713), (13, 1607667802), (26, 803833901), (169, 123666754), (338, 61833377), (349, 59884474), (698, 29942237), (4537, 4606498), (9074, 2303249), (58981, 354346), (117962, 177173)]