20640327

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11734

約数の個数: 16

約数和(自身を含む): 29905920

約数和(自身を除く): 9265593

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11681, 35043, 221939, 362111, 665817, 1086333, 6880109, 20640327]

約数ペア:

[(1, 20640327), (3, 6880109), (19, 1086333), (31, 665817), (57, 362111), (93, 221939), (589, 35043), (1767, 11681)]