20212257209

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{51137}}^1$

素因数の和:51520

約数の個数: 16

約数和(自身を含む): 21649783680

約数和(自身を除く): 1437526471

約数列:

[1, 19, 71, 293, 1349, 5567, 20803, 51137, 395257, 971603, 3630727, 14983141, 68983813, 284679679, 1063803011, 20212257209]

約数ペア:

[(1, 20212257209), (19, 1063803011), (71, 284679679), (293, 68983813), (1349, 14983141), (5567, 3630727), (20803, 971603), (51137, 395257)]