20348021876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{207811}}^1$

素因数の和:208104

約数の個数: 48

約数和(自身を含む): 43989644160

約数和(自身を除く): 23641622284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 269, 364, 538, 1076, 1883, 3497, 3766, 6994, 7532, 13988, 24479, 48958, 97916, 207811, 415622, 831244, 1454677, 2701543, 2909354, 5403086, 5818708, 10806172, 18910801, 37821602, 55901159, 75643204, 111802318, 223604636, 391308113, 726715067, 782616226, 1453430134, 1565232452, 2906860268, 5087005469, 10174010938, 20348021876]

約数ペア:

[(1, 20348021876), (2, 10174010938), (4, 5087005469), (7, 2906860268), (13, 1565232452), (14, 1453430134), (26, 782616226), (28, 726715067), (52, 391308113), (91, 223604636), (182, 111802318), (269, 75643204), (364, 55901159), (538, 37821602), (1076, 18910801), (1883, 10806172), (3497, 5818708), (3766, 5403086), (6994, 2909354), (7532, 2701543), (13988, 1454677), (24479, 831244), (48958, 415622), (97916, 207811)]