20574762

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 46792704

約数和(自身を除く): 26217942

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 67, 78, 93, 127, 134, 186, 201, 254, 381, 402, 403, 762, 806, 871, 1209, 1651, 1742, 2077, 2418, 2613, 3302, 3937, 4154, 4953, 5226, 6231, 7874, 8509, 9906, 11811, 12462, 17018, 23622, 25527, 27001, 51054, 51181, 54002, 81003, 102362, 110617, 153543, 162006, 221234, 263779, 307086, 331851, 527558, 663702, 791337, 1582674, 3429127, 6858254, 10287381, 20574762]

約数ペア:

[(1, 20574762), (2, 10287381), (3, 6858254), (6, 3429127), (13, 1582674), (26, 791337), (31, 663702), (39, 527558), (62, 331851), (67, 307086), (78, 263779), (93, 221234), (127, 162006), (134, 153543), (186, 110617), (201, 102362), (254, 81003), (381, 54002), (402, 51181), (403, 51054), (762, 27001), (806, 25527), (871, 23622), (1209, 17018), (1651, 12462), (1742, 11811), (2077, 9906), (2418, 8509), (2613, 7874), (3302, 6231), (3937, 5226), (4154, 4953)]