20096780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 46400256

約数和(自身を除く): 26303476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 547, 668, 835, 1094, 1670, 1837, 2188, 2735, 3340, 3674, 5470, 6017, 7348, 9185, 10940, 12034, 18370, 24068, 30085, 36740, 60170, 91349, 120340, 182698, 365396, 456745, 913490, 1004839, 1826980, 2009678, 4019356, 5024195, 10048390, 20096780]

約数ペア:

[(1, 20096780), (2, 10048390), (4, 5024195), (5, 4019356), (10, 2009678), (11, 1826980), (20, 1004839), (22, 913490), (44, 456745), (55, 365396), (110, 182698), (167, 120340), (220, 91349), (334, 60170), (547, 36740), (668, 30085), (835, 24068), (1094, 18370), (1670, 12034), (1837, 10940), (2188, 9185), (2735, 7348), (3340, 6017), (3674, 5470)]