20641742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19963}}^1$

素因数の和:20023

約数の個数: 16

約数和(自身を含む): 34497792

約数和(自身を除く): 13856050

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19963, 39926, 219593, 439186, 938261, 1876522, 10320871, 20641742]

約数ペア:

[(1, 20641742), (2, 10320871), (11, 1876522), (22, 938261), (47, 439186), (94, 219593), (517, 39926), (1034, 19963)]