20742016

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1237}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 41671080

約数和(自身を除く): 20929064

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1237, 2096, 2474, 4192, 4948, 8384, 9896, 16768, 19792, 39584, 79168, 158336, 162047, 324094, 648188, 1296376, 2592752, 5185504, 10371008, 20742016]

約数ペア:

[(1, 20742016), (2, 10371008), (4, 5185504), (8, 2592752), (16, 1296376), (32, 648188), (64, 324094), (128, 162047), (131, 158336), (262, 79168), (524, 39584), (1048, 19792), (1237, 16768), (2096, 9896), (2474, 8384), (4192, 4948)]