20810139

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34171}}^1$

素因数の和:34210

約数の個数: 16

約数和(自身を含む): 32805120

約数和(自身を除く): 11994981

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34171, 102513, 239197, 717591, 990959, 2972877, 6936713, 20810139]

約数ペア:

[(1, 20810139), (3, 6936713), (7, 2972877), (21, 990959), (29, 717591), (87, 239197), (203, 102513), (609, 34171)]