20199721251

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1\times {\mathrm{63737}}^1$

素因数の和:64598

約数の個数: 16

約数和(自身を含む): 27152388000

約数和(自身を除く): 6952666749

約数列:

[1, 3, 149, 447, 709, 2127, 63737, 105641, 191211, 316923, 9496813, 28490439, 45189533, 135568599, 6733240417, 20199721251]

約数ペア:

[(1, 20199721251), (3, 6733240417), (149, 135568599), (447, 45189533), (709, 28490439), (2127, 9496813), (63737, 316923), (105641, 191211)]