20562176

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2591}}^1$

素因数の和:2638

約数の個数: 36

約数和(自身を含む): 42384384

約数和(自身を除く): 21822208

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2591, 3968, 5182, 7936, 10364, 20728, 41456, 80321, 82912, 160642, 165824, 321284, 331648, 642568, 663296, 1285136, 2570272, 5140544, 10281088, 20562176]

約数ペア:

[(1, 20562176), (2, 10281088), (4, 5140544), (8, 2570272), (16, 1285136), (31, 663296), (32, 642568), (62, 331648), (64, 321284), (124, 165824), (128, 160642), (248, 82912), (256, 80321), (496, 41456), (992, 20728), (1984, 10364), (2591, 7936), (3968, 5182)]