20168703968

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1233409}}^1$

素因数の和:1233499

約数の個数: 48

約数和(自身を含む): 46001259360

約数和(自身を除く): 25832555392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 2044, 2336, 4088, 8176, 16352, 1233409, 2466818, 4933636, 8633863, 9867272, 17267726, 19734544, 34535452, 39469088, 69070904, 90038857, 138141808, 180077714, 276283616, 360155428, 630271999, 720310856, 1260543998, 1440621712, 2521087996, 2881243424, 5042175992, 10084351984, 20168703968]

約数ペア:

[(1, 20168703968), (2, 10084351984), (4, 5042175992), (7, 2881243424), (8, 2521087996), (14, 1440621712), (16, 1260543998), (28, 720310856), (32, 630271999), (56, 360155428), (73, 276283616), (112, 180077714), (146, 138141808), (224, 90038857), (292, 69070904), (511, 39469088), (584, 34535452), (1022, 19734544), (1168, 17267726), (2044, 9867272), (2336, 8633863), (4088, 4933636), (8176, 2466818), (16352, 1233409)]