20828049116

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{487}}^1\times {\mathrm{4327}}^1$

素因数の和:5178

約数の個数: 48

約数和(自身を含む): 41869556736

約数和(自身を除く): 21041507620

約数列:

[1, 2, 4, 7, 14, 28, 353, 487, 706, 974, 1412, 1948, 2471, 3409, 4327, 4942, 6818, 8654, 9884, 13636, 17308, 30289, 60578, 121156, 171911, 343822, 687644, 1203377, 1527431, 2107249, 2406754, 3054862, 4214498, 4813508, 6109724, 8428996, 10692017, 14750743, 21384034, 29501486, 42768068, 59002972, 743858897, 1487717794, 2975435588, 5207012279, 10414024558, 20828049116]

約数ペア:

[(1, 20828049116), (2, 10414024558), (4, 5207012279), (7, 2975435588), (14, 1487717794), (28, 743858897), (353, 59002972), (487, 42768068), (706, 29501486), (974, 21384034), (1412, 14750743), (1948, 10692017), (2471, 8428996), (3409, 6109724), (4327, 4813508), (4942, 4214498), (6818, 3054862), (8654, 2406754), (9884, 2107249), (13636, 1527431), (17308, 1203377), (30289, 687644), (60578, 343822), (121156, 171911)]