20806611

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1031}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 32792832

約数和(自身を除く): 11986221

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 1031, 2883, 3093, 6727, 7217, 20181, 21651, 31961, 95883, 223727, 671181, 990791, 2972373, 6935537, 20806611]

約数ペア:

[(1, 20806611), (3, 6935537), (7, 2972373), (21, 990791), (31, 671181), (93, 223727), (217, 95883), (651, 31961), (961, 21651), (1031, 20181), (2883, 7217), (3093, 6727)]