20565113648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{787091}}^1$

素因数の和:787193

約数の個数: 40

約数和(自身を含む): 42162944256

約数和(自身を除く): 21597830608

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 184, 284, 368, 568, 1136, 1633, 3266, 6532, 13064, 26128, 787091, 1574182, 3148364, 6296728, 12593456, 18103093, 36206186, 55883461, 72412372, 111766922, 144824744, 223533844, 289649488, 447067688, 894135376, 1285319603, 2570639206, 5141278412, 10282556824, 20565113648]

約数ペア:

[(1, 20565113648), (2, 10282556824), (4, 5141278412), (8, 2570639206), (16, 1285319603), (23, 894135376), (46, 447067688), (71, 289649488), (92, 223533844), (142, 144824744), (184, 111766922), (284, 72412372), (368, 55883461), (568, 36206186), (1136, 18103093), (1633, 12593456), (3266, 6296728), (6532, 3148364), (13064, 1574182), (26128, 787091)]