20820544

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{3221}}^1$

素因数の和:3334

約数の個数: 28

約数和(自身を含む): 41737788

約数和(自身を除く): 20917244

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 3221, 3232, 6442, 6464, 12884, 25768, 51536, 103072, 206144, 325321, 650642, 1301284, 2602568, 5205136, 10410272, 20820544]

約数ペア:

[(1, 20820544), (2, 10410272), (4, 5205136), (8, 2602568), (16, 1301284), (32, 650642), (64, 325321), (101, 206144), (202, 103072), (404, 51536), (808, 25768), (1616, 12884), (3221, 6464), (3232, 6442)]