20604

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 51408

約数和(自身を除く): 30804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 101, 102, 202, 204, 303, 404, 606, 1212, 1717, 3434, 5151, 6868, 10302, 20604]

約数ペア:

[(1, 20604), (2, 10302), (3, 6868), (4, 5151), (6, 3434), (12, 1717), (17, 1212), (34, 606), (51, 404), (68, 303), (101, 204), (102, 202)]