20280657

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12269}}^1$

素因数の和:12320

約数の個数: 16

約数和(自身を含む): 29448000

約数和(自身を除く): 9167343

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12269, 36807, 233111, 355801, 699333, 1067403, 6760219, 20280657]

約数ペア:

[(1, 20280657), (3, 6760219), (19, 1067403), (29, 699333), (57, 355801), (87, 233111), (551, 36807), (1653, 12269)]