20711117

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 25194240

約数和(自身を除く): 4483123

約数列:

[1, 7, 17, 119, 269, 647, 1883, 4529, 4573, 10999, 32011, 76993, 174043, 1218301, 2958731, 20711117]

約数ペア:

[(1, 20711117), (7, 2958731), (17, 1218301), (119, 174043), (269, 76993), (647, 32011), (1883, 10999), (4529, 4573)]