20215347

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 27605760

約数和(自身を除く): 7390413

約数列:

[1, 3, 59, 177, 181, 543, 631, 1893, 10679, 32037, 37229, 111687, 114211, 342633, 6738449, 20215347]

約数ペア:

[(1, 20215347), (3, 6738449), (59, 342633), (177, 114211), (181, 111687), (543, 37229), (631, 32037), (1893, 10679)]