20984943

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16937}}^1$

素因数の和:17006

約数の個数: 16

約数和(自身を含む): 32520960

約数和(自身を除く): 11536017

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16937, 50811, 118559, 355677, 999283, 2997849, 6994981, 20984943]

約数ペア:

[(1, 20984943), (3, 6994981), (7, 2997849), (21, 999283), (59, 355677), (177, 118559), (413, 50811), (1239, 16937)]