20329809

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{839}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7611951

約数列:

[1, 3, 41, 123, 197, 591, 839, 2517, 8077, 24231, 34399, 103197, 165283, 495849, 6776603, 20329809]

約数ペア:

[(1, 20329809), (3, 6776603), (41, 495849), (123, 165283), (197, 103197), (591, 34399), (839, 24231), (2517, 8077)]