20235897997

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{208139}}^1$

素因数の和:208225

約数の個数: 32

約数和(自身を含む): 26375500800

約数和(自身を除く): 6139602803

約数列:

[1, 7, 17, 19, 43, 119, 133, 301, 323, 731, 817, 2261, 5117, 5719, 13889, 97223, 208139, 1456973, 3538363, 3954641, 8949977, 24768541, 27682487, 62649839, 67228897, 152149609, 170049563, 470602279, 1065047263, 1190346941, 2890842571, 20235897997]

約数ペア:

[(1, 20235897997), (7, 2890842571), (17, 1190346941), (19, 1065047263), (43, 470602279), (119, 170049563), (133, 152149609), (301, 67228897), (323, 62649839), (731, 27682487), (817, 24768541), (2261, 8949977), (5117, 3954641), (5719, 3538363), (13889, 1456973), (97223, 208139)]