20507264

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1223}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 20692576

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1223, 2096, 2446, 4192, 4892, 8384, 9784, 16768, 19568, 39136, 78272, 156544, 160213, 320426, 640852, 1281704, 2563408, 5126816, 10253632, 20507264]

約数ペア:

[(1, 20507264), (2, 10253632), (4, 5126816), (8, 2563408), (16, 1281704), (32, 640852), (64, 320426), (128, 160213), (131, 156544), (262, 78272), (524, 39136), (1048, 19568), (1223, 16768), (2096, 9784), (2446, 8384), (4192, 4892)]