20203361

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 22529664

約数和(自身を除く): 2326303

約数列:

[1, 17, 23, 163, 317, 391, 2771, 3749, 5389, 7291, 51671, 63733, 123947, 878407, 1188433, 20203361]

約数ペア:

[(1, 20203361), (17, 1188433), (23, 878407), (163, 123947), (317, 63733), (391, 51671), (2771, 7291), (3749, 5389)]