20492320

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 28230368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 607, 844, 1055, 1214, 1688, 2110, 2428, 3035, 3376, 4220, 4856, 6070, 6752, 8440, 9712, 12140, 16880, 19424, 24280, 33760, 48560, 97120, 128077, 256154, 512308, 640385, 1024616, 1280770, 2049232, 2561540, 4098464, 5123080, 10246160, 20492320]

約数ペア:

[(1, 20492320), (2, 10246160), (4, 5123080), (5, 4098464), (8, 2561540), (10, 2049232), (16, 1280770), (20, 1024616), (32, 640385), (40, 512308), (80, 256154), (160, 128077), (211, 97120), (422, 48560), (607, 33760), (844, 24280), (1055, 19424), (1214, 16880), (1688, 12140), (2110, 9712), (2428, 8440), (3035, 6752), (3376, 6070), (4220, 4856)]