20342847

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23627}}^1$

素因数の和:23678

約数の個数: 16

約数和(自身を含む): 31756032

約数和(自身を除く): 11413185

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23627, 70881, 165389, 496167, 968707, 2906121, 6780949, 20342847]

約数ペア:

[(1, 20342847), (3, 6780949), (7, 2906121), (21, 968707), (41, 496167), (123, 165389), (287, 70881), (861, 23627)]