20281405983

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1\times {\mathrm{2903}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 28243607040

約数和(自身を除く): 7962201057

約数列:

[1, 3, 29, 87, 131, 393, 613, 1839, 2903, 3799, 8709, 11397, 17777, 53331, 80303, 84187, 240909, 252561, 380293, 1140879, 1779539, 2328787, 5338617, 6986361, 11028497, 33085491, 51606631, 154819893, 233119609, 699358827, 6760468661, 20281405983]

約数ペア:

[(1, 20281405983), (3, 6760468661), (29, 699358827), (87, 233119609), (131, 154819893), (393, 51606631), (613, 33085491), (1839, 11028497), (2903, 6986361), (3799, 5338617), (8709, 2328787), (11397, 1779539), (17777, 1140879), (53331, 380293), (80303, 252561), (84187, 240909)]