20699235

素因数分解:

$3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1201}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 36002304

約数和(自身を除く): 15303069

約数列:

[1, 3, 5, 9, 15, 45, 383, 1149, 1201, 1915, 3447, 3603, 5745, 6005, 10809, 17235, 18015, 54045, 459983, 1379949, 2299915, 4139847, 6899745, 20699235]

約数ペア:

[(1, 20699235), (3, 6899745), (5, 4139847), (9, 2299915), (15, 1379949), (45, 459983), (383, 54045), (1149, 18015), (1201, 17235), (1915, 10809), (3447, 6005), (3603, 5745)]