20388214

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18913}}^1$

素因数の和:18940

約数の個数: 24

約数和(自身を含む): 38811528

約数和(自身を除く): 18423314

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18913, 37826, 132391, 208043, 264782, 416086, 926737, 1456301, 1853474, 2912602, 10194107, 20388214]

約数ペア:

[(1, 20388214), (2, 10194107), (7, 2912602), (11, 1853474), (14, 1456301), (22, 926737), (49, 416086), (77, 264782), (98, 208043), (154, 132391), (539, 37826), (1078, 18913)]