20163519220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77551997}}^1$

素因数の和:77552019

約数の個数: 24

約数和(自身を含む): 45600574824

約数和(自身を除く): 25437055604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77551997, 155103994, 310207988, 387759985, 775519970, 1008175961, 1551039940, 2016351922, 4032703844, 5040879805, 10081759610, 20163519220]

約数ペア:

[(1, 20163519220), (2, 10081759610), (4, 5040879805), (5, 4032703844), (10, 2016351922), (13, 1551039940), (20, 1008175961), (26, 775519970), (52, 387759985), (65, 310207988), (130, 155103994), (260, 77551997)]