20407524476

素因数分解:

$2^2\times {\mathrm{1279}}^1\times {\mathrm{3988961}}^1$

素因数の和:3990244

約数の個数: 12

約数和(自身を含む): 35741099520

約数和(自身を除く): 15333575044

約数列:

[1, 2, 4, 1279, 2558, 5116, 3988961, 7977922, 15955844, 5101881119, 10203762238, 20407524476]

約数ペア:

[(1, 20407524476), (2, 10203762238), (4, 5101881119), (1279, 15955844), (2558, 7977922), (5116, 3988961)]