20983715081

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{3613}}^1$

素因数の和:3933

約数の個数: 32

約数和(自身を含む): 24868945920

約数和(自身を除く): 3885230839

約数列:

[1, 7, 47, 127, 139, 329, 889, 973, 3613, 5969, 6533, 17653, 25291, 41783, 45731, 123571, 169811, 458851, 502207, 829691, 1188677, 3211957, 3515449, 5807837, 21565997, 23603729, 63780289, 150961979, 165226103, 446462023, 2997673583, 20983715081]

約数ペア:

[(1, 20983715081), (7, 2997673583), (47, 446462023), (127, 165226103), (139, 150961979), (329, 63780289), (889, 23603729), (973, 21565997), (3613, 5807837), (5969, 3515449), (6533, 3211957), (17653, 1188677), (25291, 829691), (41783, 502207), (45731, 458851), (123571, 169811)]