20456476

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5171}}^1$

素因数の和:5241

約数の個数: 24

約数和(自身を含む): 38231424

約数和(自身を除く): 17774948

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5171, 10342, 20684, 118933, 222353, 237866, 444706, 475732, 889412, 5114119, 10228238, 20456476]

約数ペア:

[(1, 20456476), (2, 10228238), (4, 5114119), (23, 889412), (43, 475732), (46, 444706), (86, 237866), (92, 222353), (172, 118933), (989, 20684), (1978, 10342), (3956, 5171)]