20161641320

素因数分解:

$2^3\times 5^1\times {\mathrm{2381}}^1\times {\mathrm{211693}}^1$

素因数の和:214085

約数の個数: 32

約数和(自身を含む): 45382959720

約数和(自身を除く): 25221318400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2381, 4762, 9524, 11905, 19048, 23810, 47620, 95240, 211693, 423386, 846772, 1058465, 1693544, 2116930, 4233860, 8467720, 504041033, 1008082066, 2016164132, 2520205165, 4032328264, 5040410330, 10080820660, 20161641320]

約数ペア:

[(1, 20161641320), (2, 10080820660), (4, 5040410330), (5, 4032328264), (8, 2520205165), (10, 2016164132), (20, 1008082066), (40, 504041033), (2381, 8467720), (4762, 4233860), (9524, 2116930), (11905, 1693544), (19048, 1058465), (23810, 846772), (47620, 423386), (95240, 211693)]