20779780461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1321}}^1\times {\mathrm{2663}}^1$

素因数の和:4177

約数の個数: 32

約数和(自身を含む): 30428421120

約数和(自身を除く): 9648640659

約数列:

[1, 3, 11, 33, 179, 537, 1321, 1969, 2663, 3963, 5907, 7989, 14531, 29293, 43593, 87879, 236459, 476677, 709377, 1430031, 2601049, 3517823, 5243447, 7803147, 10553469, 15730341, 38696053, 116088159, 629690317, 1889070951, 6926593487, 20779780461]

約数ペア:

[(1, 20779780461), (3, 6926593487), (11, 1889070951), (33, 629690317), (179, 116088159), (537, 38696053), (1321, 15730341), (1969, 10553469), (2663, 7803147), (3963, 5243447), (5907, 3517823), (7989, 2601049), (14531, 1430031), (29293, 709377), (43593, 476677), (87879, 236459)]