20097000007

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{18311}}^1$

素因数の和:18759

約数の個数: 32

約数和(自身を含む): 25441081344

約数和(自身を除く): 5344081337

約数列:

[1, 7, 17, 23, 119, 161, 391, 401, 2737, 2807, 6817, 9223, 18311, 47719, 64561, 128177, 156791, 311287, 421153, 1097537, 2179009, 2948071, 7159601, 7342711, 50117207, 51398977, 124826087, 168882353, 873782609, 1182176471, 2871000001, 20097000007]

約数ペア:

[(1, 20097000007), (7, 2871000001), (17, 1182176471), (23, 873782609), (119, 168882353), (161, 124826087), (391, 51398977), (401, 50117207), (2737, 7342711), (2807, 7159601), (6817, 2948071), (9223, 2179009), (18311, 1097537), (47719, 421153), (64561, 311287), (128177, 156791)]