20297949

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56857}}^1$

素因数の和:56884

約数の個数: 16

約数和(自身を含む): 32750208

約数和(自身を除く): 12452259

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56857, 170571, 397999, 966569, 1193997, 2899707, 6765983, 20297949]

約数ペア:

[(1, 20297949), (3, 6765983), (7, 2899707), (17, 1193997), (21, 966569), (51, 397999), (119, 170571), (357, 56857)]