20898069

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1$

素因数の和:2508

約数の個数: 16

約数和(自身を含む): 28957824

約数和(自身を除く): 8059755

約数列:

[1, 3, 41, 71, 123, 213, 2393, 2911, 7179, 8733, 98113, 169903, 294339, 509709, 6966023, 20898069]

約数ペア:

[(1, 20898069), (3, 6966023), (41, 509709), (71, 294339), (123, 169903), (213, 98113), (2393, 8733), (2911, 7179)]