20396816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115891}}^1$

素因数の和:115910

約数の個数: 20

約数和(自身を含む): 43111824

約数和(自身を除く): 22715008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115891, 231782, 463564, 927128, 1274801, 1854256, 2549602, 5099204, 10198408, 20396816]

約数ペア:

[(1, 20396816), (2, 10198408), (4, 5099204), (8, 2549602), (11, 1854256), (16, 1274801), (22, 927128), (44, 463564), (88, 231782), (176, 115891)]