20599551

素因数分解:

$3^2\times 7^3\times {\mathrm{6673}}^1$

素因数の和:6700

約数の個数: 24

約数和(自身を含む): 34704800

約数和(自身を除く): 14105249

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6673, 20019, 46711, 60057, 140133, 326977, 420399, 980931, 2288839, 2942793, 6866517, 20599551]

約数ペア:

[(1, 20599551), (3, 6866517), (7, 2942793), (9, 2288839), (21, 980931), (49, 420399), (63, 326977), (147, 140133), (343, 60057), (441, 46711), (1029, 20019), (3087, 6673)]