20807775208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{899057}}^1$

素因数の和:899337

約数の個数: 32

約数和(自身を含む): 42723236160

約数和(自身を除く): 21915460952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 263, 526, 1052, 2104, 2893, 5786, 11572, 23144, 899057, 1798114, 3596228, 7192456, 9889627, 19779254, 39558508, 79117016, 236451991, 472903982, 945807964, 1891615928, 2600971901, 5201943802, 10403887604, 20807775208]

約数ペア:

[(1, 20807775208), (2, 10403887604), (4, 5201943802), (8, 2600971901), (11, 1891615928), (22, 945807964), (44, 472903982), (88, 236451991), (263, 79117016), (526, 39558508), (1052, 19779254), (2104, 9889627), (2893, 7192456), (5786, 3596228), (11572, 1798114), (23144, 899057)]