20155429

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{5443}}^1$

素因数の和:5496

約数の個数: 12

約数和(自身を含む): 24084256

約数和(自身を除く): 3928827

約数列:

[1, 7, 23, 161, 529, 3703, 5443, 38101, 125189, 876323, 2879347, 20155429]

約数ペア:

[(1, 20155429), (7, 2879347), (23, 876323), (161, 125189), (529, 38101), (3703, 5443)]