20397184

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8387}}^1$

素因数の和:8420

約数の個数: 32

約数和(自身を含む): 42778800

約数和(自身を除く): 22381616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8387, 16774, 33548, 67096, 134192, 159353, 268384, 318706, 536768, 637412, 1073536, 1274824, 2549648, 5099296, 10198592, 20397184]

約数ペア:

[(1, 20397184), (2, 10198592), (4, 5099296), (8, 2549648), (16, 1274824), (19, 1073536), (32, 637412), (38, 536768), (64, 318706), (76, 268384), (128, 159353), (152, 134192), (304, 67096), (608, 33548), (1216, 16774), (2432, 8387)]