20670976

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:924

約数の個数: 40

約数和(自身を含む): 42229440

約数和(自身を除く): 21558464

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 859, 1504, 1718, 3008, 3436, 6016, 6872, 12032, 13744, 24064, 27488, 40373, 54976, 80746, 109952, 161492, 219904, 322984, 439808, 645968, 1291936, 2583872, 5167744, 10335488, 20670976]

約数ペア:

[(1, 20670976), (2, 10335488), (4, 5167744), (8, 2583872), (16, 1291936), (32, 645968), (47, 439808), (64, 322984), (94, 219904), (128, 161492), (188, 109952), (256, 80746), (376, 54976), (512, 40373), (752, 27488), (859, 24064), (1504, 13744), (1718, 12032), (3008, 6872), (3436, 6016)]