20875015

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31391}}^1$

素因数の和:31422

約数の個数: 16

約数和(自身を含む): 30136320

約数和(自身を除く): 9261305

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31391, 156955, 219737, 596429, 1098685, 2982145, 4175003, 20875015]

約数ペア:

[(1, 20875015), (5, 4175003), (7, 2982145), (19, 1098685), (35, 596429), (95, 219737), (133, 156955), (665, 31391)]