20345171

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1621}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 25536768

約数和(自身を除く): 5191597

約数列:

[1, 7, 11, 77, 163, 1141, 1621, 1793, 11347, 12551, 17831, 124817, 264223, 1849561, 2906453, 20345171]

約数ペア:

[(1, 20345171), (7, 2906453), (11, 1849561), (77, 264223), (163, 124817), (1141, 17831), (1621, 12551), (1793, 11347)]