20199428361

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4515857}}^1$

素因数の和:4515941

約数の個数: 24

約数和(自身を含む): 33814744704

約数和(自身を除く): 13615316343

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4515857, 13547571, 31610999, 40642713, 94832997, 284498991, 320625847, 961877541, 2244380929, 2885632623, 6733142787, 20199428361]

約数ペア:

[(1, 20199428361), (3, 6733142787), (7, 2885632623), (9, 2244380929), (21, 961877541), (63, 320625847), (71, 284498991), (213, 94832997), (497, 40642713), (639, 31610999), (1491, 13547571), (4473, 4515857)]