20386304

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1420

約数の個数: 40

約数和(自身を含む): 42168060

約数和(自身を除く): 21781756

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1373, 1856, 2746, 3712, 5492, 7424, 10984, 14848, 21968, 39817, 43936, 79634, 87872, 159268, 175744, 318536, 351488, 637072, 702976, 1274144, 2548288, 5096576, 10193152, 20386304]

約数ペア:

[(1, 20386304), (2, 10193152), (4, 5096576), (8, 2548288), (16, 1274144), (29, 702976), (32, 637072), (58, 351488), (64, 318536), (116, 175744), (128, 159268), (232, 87872), (256, 79634), (464, 43936), (512, 39817), (928, 21968), (1373, 14848), (1856, 10984), (2746, 7424), (3712, 5492)]