20971674

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31489}}^1$

素因数の和:31534

約数の個数: 24

約数和(自身を含む): 46668180

約数和(自身を除く): 25696506

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31489, 62978, 94467, 188934, 283401, 566802, 1165093, 2330186, 3495279, 6990558, 10485837, 20971674]

約数ペア:

[(1, 20971674), (2, 10485837), (3, 6990558), (6, 3495279), (9, 2330186), (18, 1165093), (37, 566802), (74, 283401), (111, 188934), (222, 94467), (333, 62978), (666, 31489)]