20959616

素因数分解:

$2^7\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 41962800

約数和(自身を除く): 21003184

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 373, 439, 746, 878, 1492, 1756, 2984, 3512, 5968, 7024, 11936, 14048, 23872, 28096, 47744, 56192, 163747, 327494, 654988, 1309976, 2619952, 5239904, 10479808, 20959616]

約数ペア:

[(1, 20959616), (2, 10479808), (4, 5239904), (8, 2619952), (16, 1309976), (32, 654988), (64, 327494), (128, 163747), (373, 56192), (439, 47744), (746, 28096), (878, 23872), (1492, 14048), (1756, 11936), (2984, 7024), (3512, 5968)]