1520220208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7308751}}^1$

素因数の和:7308772

約数の個数: 20

約数和(自身を含む): 3171998368

約数和(自身を除く): 1651778160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7308751, 14617502, 29235004, 58470008, 95013763, 116940016, 190027526, 380055052, 760110104, 1520220208]

約数ペア:

[(1, 1520220208), (2, 760110104), (4, 380055052), (8, 190027526), (13, 116940016), (16, 95013763), (26, 58470008), (52, 29235004), (104, 14617502), (208, 7308751)]