19800580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58237}}^1$

素因数の和:58263

約数の個数: 24

約数和(自身を含む): 44027928

約数和(自身を除く): 24227348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58237, 116474, 232948, 291185, 582370, 990029, 1164740, 1980058, 3960116, 4950145, 9900290, 19800580]

約数ペア:

[(1, 19800580), (2, 9900290), (4, 4950145), (5, 3960116), (10, 1980058), (17, 1164740), (20, 990029), (34, 582370), (68, 291185), (85, 232948), (170, 116474), (340, 58237)]