20830208

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1453}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 47633040

約数和(自身を除く): 26802832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1453, 1792, 2048, 2906, 3584, 5812, 7168, 10171, 11624, 14336, 20342, 23248, 40684, 46496, 81368, 92992, 162736, 185984, 325472, 371968, 650944, 743936, 1301888, 1487872, 2603776, 2975744, 5207552, 10415104, 20830208]

約数ペア:

[(1, 20830208), (2, 10415104), (4, 5207552), (7, 2975744), (8, 2603776), (14, 1487872), (16, 1301888), (28, 743936), (32, 650944), (56, 371968), (64, 325472), (112, 185984), (128, 162736), (224, 92992), (256, 81368), (448, 46496), (512, 40684), (896, 23248), (1024, 20342), (1453, 14336), (1792, 11624), (2048, 10171), (2906, 7168), (3584, 5812)]