20593820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 47087040

約数和(自身を除く): 26493220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 769, 1030, 1339, 1538, 2060, 2678, 3076, 3845, 5356, 6695, 7690, 9997, 13390, 15380, 19994, 26780, 39988, 49985, 79207, 99970, 158414, 199940, 316828, 396035, 792070, 1029691, 1584140, 2059382, 4118764, 5148455, 10296910, 20593820]

約数ペア:

[(1, 20593820), (2, 10296910), (4, 5148455), (5, 4118764), (10, 2059382), (13, 1584140), (20, 1029691), (26, 792070), (52, 396035), (65, 316828), (103, 199940), (130, 158414), (206, 99970), (260, 79207), (412, 49985), (515, 39988), (769, 26780), (1030, 19994), (1339, 15380), (1538, 13390), (2060, 9997), (2678, 7690), (3076, 6695), (3845, 5356)]