20689707

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2954

約数の個数: 16

約数和(自身を含む): 28748160

約数和(自身を除く): 8058453

約数列:

[1, 3, 41, 59, 123, 177, 2419, 2851, 7257, 8553, 116891, 168209, 350673, 504627, 6896569, 20689707]

約数ペア:

[(1, 20689707), (3, 6896569), (41, 504627), (59, 350673), (123, 168209), (177, 116891), (2419, 8553), (2851, 7257)]