20578404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22271}}^1$

素因数の和:22296

約数の個数: 48

約数和(自身を含む): 59867136

約数和(自身を除く): 39288732

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22271, 44542, 66813, 89084, 133626, 155897, 244981, 267252, 311794, 467691, 489962, 623588, 734943, 935382, 979924, 1469886, 1714867, 1870764, 2939772, 3429734, 5144601, 6859468, 10289202, 20578404]

約数ペア:

[(1, 20578404), (2, 10289202), (3, 6859468), (4, 5144601), (6, 3429734), (7, 2939772), (11, 1870764), (12, 1714867), (14, 1469886), (21, 979924), (22, 935382), (28, 734943), (33, 623588), (42, 489962), (44, 467691), (66, 311794), (77, 267252), (84, 244981), (132, 155897), (154, 133626), (231, 89084), (308, 66813), (462, 44542), (924, 22271)]