20347976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2161}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 42029280

約数和(自身を除く): 21681304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2161, 2354, 4322, 4708, 8644, 9416, 17288, 23771, 47542, 95084, 190168, 231227, 462454, 924908, 1849816, 2543497, 5086994, 10173988, 20347976]

約数ペア:

[(1, 20347976), (2, 10173988), (4, 5086994), (8, 2543497), (11, 1849816), (22, 924908), (44, 462454), (88, 231227), (107, 190168), (214, 95084), (428, 47542), (856, 23771), (1177, 17288), (2161, 9416), (2354, 8644), (4322, 4708)]