20387392

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{2029}}^1$

素因数の和:2198

約数の個数: 28

約数和(自身を含む): 40733980

約数和(自身を除く): 20346588

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 1256, 2029, 2512, 4058, 5024, 8116, 10048, 16232, 32464, 64928, 129856, 318553, 637106, 1274212, 2548424, 5096848, 10193696, 20387392]

約数ペア:

[(1, 20387392), (2, 10193696), (4, 5096848), (8, 2548424), (16, 1274212), (32, 637106), (64, 318553), (157, 129856), (314, 64928), (628, 32464), (1256, 16232), (2029, 10048), (2512, 8116), (4058, 5024)]