20927904

素因数分解:

$2^5\times 3^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 55204128

約数和(自身を除く): 34276224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 277, 554, 787, 831, 1108, 1574, 1662, 2216, 2361, 3148, 3324, 4432, 4722, 6296, 6648, 8864, 9444, 12592, 13296, 18888, 25184, 26592, 37776, 75552, 217999, 435998, 653997, 871996, 1307994, 1743992, 2615988, 3487984, 5231976, 6975968, 10463952, 20927904]

約数ペア:

[(1, 20927904), (2, 10463952), (3, 6975968), (4, 5231976), (6, 3487984), (8, 2615988), (12, 1743992), (16, 1307994), (24, 871996), (32, 653997), (48, 435998), (96, 217999), (277, 75552), (554, 37776), (787, 26592), (831, 25184), (1108, 18888), (1574, 13296), (1662, 12592), (2216, 9444), (2361, 8864), (3148, 6648), (3324, 6296), (4432, 4722)]