20530792

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{7109}}^1$

素因数の和:7153

約数の個数: 24

約数和(自身を含む): 40633650

約数和(自身を除く): 20102858

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 7109, 14218, 28436, 56872, 135071, 270142, 540284, 1080568, 2566349, 5132698, 10265396, 20530792]

約数ペア:

[(1, 20530792), (2, 10265396), (4, 5132698), (8, 2566349), (19, 1080568), (38, 540284), (76, 270142), (152, 135071), (361, 56872), (722, 28436), (1444, 14218), (2888, 7109)]