20215936

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12149}}^1$

素因数の和:12176

約数の個数: 32

約数和(自身を含む): 43375500

約数和(自身を除く): 23159564

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12149, 24298, 48596, 97192, 157937, 194384, 315874, 388768, 631748, 777536, 1263496, 1555072, 2526992, 5053984, 10107968, 20215936]

約数ペア:

[(1, 20215936), (2, 10107968), (4, 5053984), (8, 2526992), (13, 1555072), (16, 1263496), (26, 777536), (32, 631748), (52, 388768), (64, 315874), (104, 194384), (128, 157937), (208, 97192), (416, 48596), (832, 24298), (1664, 12149)]