20404737

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12809}}^1$

素因数の和:12877

約数の個数: 16

約数和(自身を含む): 30744000

約数和(自身を除く): 10339263

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12809, 38427, 115281, 345843, 755731, 2267193, 6801579, 20404737]

約数ペア:

[(1, 20404737), (3, 6801579), (9, 2267193), (27, 755731), (59, 345843), (177, 115281), (531, 38427), (1593, 12809)]