20690144

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20857}}^1$

素因数の和:20898

約数の個数: 24

約数和(自身を含む): 42049728

約数和(自身を除く): 21359584

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20857, 41714, 83428, 166856, 333712, 646567, 667424, 1293134, 2586268, 5172536, 10345072, 20690144]

約数ペア:

[(1, 20690144), (2, 10345072), (4, 5172536), (8, 2586268), (16, 1293134), (31, 667424), (32, 646567), (62, 333712), (124, 166856), (248, 83428), (496, 41714), (992, 20857)]