20687514628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1069}}^1\times {\mathrm{439823}}^1$

素因数の和:440907

約数の個数: 24

約数和(自身を含む): 39531381120

約数和(自身を除く): 18843866492

約数列:

[1, 2, 4, 11, 22, 44, 1069, 2138, 4276, 11759, 23518, 47036, 439823, 879646, 1759292, 4838053, 9676106, 19352212, 470170787, 940341574, 1880683148, 5171878657, 10343757314, 20687514628]

約数ペア:

[(1, 20687514628), (2, 10343757314), (4, 5171878657), (11, 1880683148), (22, 940341574), (44, 470170787), (1069, 19352212), (2138, 9676106), (4276, 4838053), (11759, 1759292), (23518, 879646), (47036, 439823)]