20477938192

素因数分解:

$2^4\times {\mathrm{61153}}^1\times {\mathrm{20929}}^1$

素因数の和:82090

約数の個数: 20

約数和(自身を含む): 39678549820

約数和(自身を除く): 19200611628

約数列:

[1, 2, 4, 8, 16, 20929, 41858, 61153, 83716, 122306, 167432, 244612, 334864, 489224, 978448, 1279871137, 2559742274, 5119484548, 10238969096, 20477938192]

約数ペア:

[(1, 20477938192), (2, 10238969096), (4, 5119484548), (8, 2559742274), (16, 1279871137), (20929, 978448), (41858, 489224), (61153, 334864), (83716, 244612), (122306, 167432)]